Home / 42,660.27-63,963-17,717.52

Finding the Fourth Proportional to 42,660.27, 63,963 and 17,717.52

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Solution

The fourth proportional to 42,660.27, 63,963 and 17,717.52 is: 26,564.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,660.27 : 63,963 = 17,717.52 : x
  2. Step 2: Convert to fraction form
    42,660.27/63,963 = 17,717.52/x
  3. Step 3: Cross multiply
    42,660.27x = 63,963 × 17,717.52
  4. Step 4: Simplify right side
    42,660.27x = 1,133,265,731.76
  5. Step 5: Solve for x
    x = 1,133,265,731.76/42,660.27
  6. Step 6: Final answer
    x = 26,564.90

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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.