Home / 42,565.50-63,860.40-14,491.71

Finding the Fourth Proportional to 42,565.50, 63,860.40 and 14,491.71

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Solution

The fourth proportional to 42,565.50, 63,860.40 and 14,491.71 is: 21,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,565.50 : 63,860.40 = 14,491.71 : x
  2. Step 2: Convert to fraction form
    42,565.50/63,860.40 = 14,491.71/x
  3. Step 3: Cross multiply
    42,565.50x = 63,860.40 × 14,491.71
  4. Step 4: Simplify right side
    42,565.50x = 925,446,397.28
  5. Step 5: Solve for x
    x = 925,446,397.28/42,565.50
  6. Step 6: Final answer
    x = 21,741.70

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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.