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Finding the Fourth Proportional to 67,252.48, 92,796.16 and 38,947.84

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Solution

The fourth proportional to 67,252.48, 92,796.16 and 38,947.84 is: 53,740.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,252.48 : 92,796.16 = 38,947.84 : x
  2. Step 2: Convert to fraction form
    67,252.48/92,796.16 = 38,947.84/x
  3. Step 3: Cross multiply
    67,252.48x = 92,796.16 × 38,947.84
  4. Step 4: Simplify right side
    67,252.48x = 3,614,209,992.29
  5. Step 5: Solve for x
    x = 3,614,209,992.29/67,252.48
  6. Step 6: Final answer
    x = 53,740.92

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1.5x scale

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.