Home / 42,133.64-63,209.87-15,838.61

Finding the Fourth Proportional to 42,133.64, 63,209.87 and 15,838.61

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Solution

The fourth proportional to 42,133.64, 63,209.87 and 15,838.61 is: 23,761.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,133.64 : 63,209.87 = 15,838.61 : x
  2. Step 2: Convert to fraction form
    42,133.64/63,209.87 = 15,838.61/x
  3. Step 3: Cross multiply
    42,133.64x = 63,209.87 × 15,838.61
  4. Step 4: Simplify right side
    42,133.64x = 1,001,156,143.23
  5. Step 5: Solve for x
    x = 1,001,156,143.23/42,133.64
  6. Step 6: Final answer
    x = 23,761.45

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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.