Home / 42,660.68-63,963.67-17,717.95

Finding the Fourth Proportional to 42,660.68, 63,963.67 and 17,717.95

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Solution

The fourth proportional to 42,660.68, 63,963.67 and 17,717.95 is: 26,565.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,660.68 : 63,963.67 = 17,717.95 : x
  2. Step 2: Convert to fraction form
    42,660.68/63,963.67 = 17,717.95/x
  3. Step 3: Cross multiply
    42,660.68x = 63,963.67 × 17,717.95
  4. Step 4: Simplify right side
    42,660.68x = 1,133,305,106.88
  5. Step 5: Solve for x
    x = 1,133,305,106.88/42,660.68
  6. Step 6: Final answer
    x = 26,565.57

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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.