Home / 57,050.24-78,726.08-31,555.12

Finding the Fourth Proportional to 57,050.24, 78,726.08 and 31,555.12

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Solution

The fourth proportional to 57,050.24, 78,726.08 and 31,555.12 is: 43,544.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,050.24 : 78,726.08 = 31,555.12 : x
  2. Step 2: Convert to fraction form
    57,050.24/78,726.08 = 31,555.12/x
  3. Step 3: Cross multiply
    57,050.24x = 78,726.08 × 31,555.12
  4. Step 4: Simplify right side
    57,050.24x = 2,484,210,901.53
  5. Step 5: Solve for x
    x = 2,484,210,901.53/57,050.24
  6. Step 6: Final answer
    x = 43,544.27

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Half scale
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Double scale
Find fourth proportional to 57,051.24, 78,727.46 and 31,556.12
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.