Home / 52,306.50-78,454.08-30,961.38

Finding the Fourth Proportional to 52,306.50, 78,454.08 and 30,961.38

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Solution

The fourth proportional to 52,306.50, 78,454.08 and 30,961.38 is: 46,438.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,306.50 : 78,454.08 = 30,961.38 : x
  2. Step 2: Convert to fraction form
    52,306.50/78,454.08 = 30,961.38/x
  3. Step 3: Cross multiply
    52,306.50x = 78,454.08 × 30,961.38
  4. Step 4: Simplify right side
    52,306.50x = 2,429,046,232.49
  5. Step 5: Solve for x
    x = 2,429,046,232.49/52,306.50
  6. Step 6: Final answer
    x = 46,438.71

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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.