Home / 56,055.92-77,357.12-30,562.28

Finding the Fourth Proportional to 56,055.92, 77,357.12 and 30,562.28

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Solution

The fourth proportional to 56,055.92, 77,357.12 and 30,562.28 is: 42,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,055.92 : 77,357.12 = 30,562.28 : x
  2. Step 2: Convert to fraction form
    56,055.92/77,357.12 = 30,562.28/x
  3. Step 3: Cross multiply
    56,055.92x = 77,357.12 × 30,562.28
  4. Step 4: Simplify right side
    56,055.92x = 2,364,210,231.23
  5. Step 5: Solve for x
    x = 2,364,210,231.23/56,055.92
  6. Step 6: Final answer
    x = 42,175.92

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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.