Home / 47,801.06-71,491.71-42,572.90

Finding the Fourth Proportional to 47,801.06, 71,491.71 and 42,572.90

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Solution

The fourth proportional to 47,801.06, 71,491.71 and 42,572.90 is: 63,672.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,801.06 : 71,491.71 = 42,572.90 : x
  2. Step 2: Convert to fraction form
    47,801.06/71,491.71 = 42,572.90/x
  3. Step 3: Cross multiply
    47,801.06x = 71,491.71 × 42,572.90
  4. Step 4: Simplify right side
    47,801.06x = 3,043,609,420.66
  5. Step 5: Solve for x
    x = 3,043,609,420.66/47,801.06
  6. Step 6: Final answer
    x = 63,672.43

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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.