Home / 49,489.08-68,306.82-28,280.72

Finding the Fourth Proportional to 49,489.08, 68,306.82 and 28,280.72

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Solution

The fourth proportional to 49,489.08, 68,306.82 and 28,280.72 is: 39,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,489.08 : 68,306.82 = 28,280.72 : x
  2. Step 2: Convert to fraction form
    49,489.08/68,306.82 = 28,280.72/x
  3. Step 3: Cross multiply
    49,489.08x = 68,306.82 × 28,280.72
  4. Step 4: Simplify right side
    49,489.08x = 1,931,766,050.51
  5. Step 5: Solve for x
    x = 1,931,766,050.51/49,489.08
  6. Step 6: Final answer
    x = 39,034.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.