Home / 55,429.14-83,122.24-17,980.21

Finding the Fourth Proportional to 55,429.14, 83,122.24 and 17,980.21

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Solution

The fourth proportional to 55,429.14, 83,122.24 and 17,980.21 is: 26,963.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,429.14 : 83,122.24 = 17,980.21 : x
  2. Step 2: Convert to fraction form
    55,429.14/83,122.24 = 17,980.21/x
  3. Step 3: Cross multiply
    55,429.14x = 83,122.24 × 17,980.21
  4. Step 4: Simplify right side
    55,429.14x = 1,494,555,330.87
  5. Step 5: Solve for x
    x = 1,494,555,330.87/55,429.14
  6. Step 6: Final answer
    x = 26,963.35

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.