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Finding the Fourth Proportional to 41,865.76, 62,658.31 and 34,368.91

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Solution

The fourth proportional to 41,865.76, 62,658.31 and 34,368.91 is: 51,438.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,865.76 : 62,658.31 = 34,368.91 : x
  2. Step 2: Convert to fraction form
    41,865.76/62,658.31 = 34,368.91/x
  3. Step 3: Cross multiply
    41,865.76x = 62,658.31 × 34,368.91
  4. Step 4: Simplify right side
    41,865.76x = 2,153,497,639.02
  5. Step 5: Solve for x
    x = 2,153,497,639.02/41,865.76
  6. Step 6: Final answer
    x = 51,438.16

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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.