Home / 42,330.07-63,439.39-23,618.91

Finding the Fourth Proportional to 42,330.07, 63,439.39 and 23,618.91

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Solution

The fourth proportional to 42,330.07, 63,439.39 and 23,618.91 is: 35,397.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,330.07 : 63,439.39 = 23,618.91 : x
  2. Step 2: Convert to fraction form
    42,330.07/63,439.39 = 23,618.91/x
  3. Step 3: Cross multiply
    42,330.07x = 63,439.39 × 23,618.91
  4. Step 4: Simplify right side
    42,330.07x = 1,498,369,242.86
  5. Step 5: Solve for x
    x = 1,498,369,242.86/42,330.07
  6. Step 6: Final answer
    x = 35,397.28

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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.