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Finding the Fourth Proportional to 62,010.48, 92,939.16 and 28,684.64

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Solution

The fourth proportional to 62,010.48, 92,939.16 and 28,684.64 is: 42,991.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,010.48 : 92,939.16 = 28,684.64 : x
  2. Step 2: Convert to fraction form
    62,010.48/92,939.16 = 28,684.64/x
  3. Step 3: Cross multiply
    62,010.48x = 92,939.16 × 28,684.64
  4. Step 4: Simplify right side
    62,010.48x = 2,665,926,346.50
  5. Step 5: Solve for x
    x = 2,665,926,346.50/62,010.48
  6. Step 6: Final answer
    x = 42,991.55

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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.