Home / 42,153.47-63,211.71-15,839.73

Finding the Fourth Proportional to 42,153.47, 63,211.71 and 15,839.73

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Solution

The fourth proportional to 42,153.47, 63,211.71 and 15,839.73 is: 23,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,153.47 : 63,211.71 = 15,839.73 : x
  2. Step 2: Convert to fraction form
    42,153.47/63,211.71 = 15,839.73/x
  3. Step 3: Cross multiply
    42,153.47x = 63,211.71 × 15,839.73
  4. Step 4: Simplify right side
    42,153.47x = 1,001,256,419.24
  5. Step 5: Solve for x
    x = 1,001,256,419.24/42,153.47
  6. Step 6: Final answer
    x = 23,752.65

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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.