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Finding the Fourth Proportional to 61,482.40, 92,306.52 and 39,339

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Solution

The fourth proportional to 61,482.40, 92,306.52 and 39,339 is: 59,061.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,482.40 : 92,306.52 = 39,339 : x
  2. Step 2: Convert to fraction form
    61,482.40/92,306.52 = 39,339/x
  3. Step 3: Cross multiply
    61,482.40x = 92,306.52 × 39,339
  4. Step 4: Simplify right side
    61,482.40x = 3,631,246,190.28
  5. Step 5: Solve for x
    x = 3,631,246,190.28/61,482.40
  6. Step 6: Final answer
    x = 59,061.56

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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.