Home / 42,430.20-63,645.30-24,691.20

Finding the Fourth Proportional to 42,430.20, 63,645.30 and 24,691.20

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Solution

The fourth proportional to 42,430.20, 63,645.30 and 24,691.20 is: 37,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,430.20 : 63,645.30 = 24,691.20 : x
  2. Step 2: Convert to fraction form
    42,430.20/63,645.30 = 24,691.20/x
  3. Step 3: Cross multiply
    42,430.20x = 63,645.30 × 24,691.20
  4. Step 4: Simplify right side
    42,430.20x = 1,571,478,831.36
  5. Step 5: Solve for x
    x = 1,571,478,831.36/42,430.20
  6. Step 6: Final answer
    x = 37,036.80

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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.