Home / 42,042.31-63,061.64-10,451.70

Finding the Fourth Proportional to 42,042.31, 63,061.64 and 10,451.70

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Solution

The fourth proportional to 42,042.31, 63,061.64 and 10,451.70 is: 15,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,042.31 : 63,061.64 = 10,451.70 : x
  2. Step 2: Convert to fraction form
    42,042.31/63,061.64 = 10,451.70/x
  3. Step 3: Cross multiply
    42,042.31x = 63,061.64 × 10,451.70
  4. Step 4: Simplify right side
    42,042.31x = 659,101,342.79
  5. Step 5: Solve for x
    x = 659,101,342.79/42,042.31
  6. Step 6: Final answer
    x = 15,677.10

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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.