Home / 52,309.60-72,186.40-28,436.88

Finding the Fourth Proportional to 52,309.60, 72,186.40 and 28,436.88

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Solution

The fourth proportional to 52,309.60, 72,186.40 and 28,436.88 is: 39,242.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,309.60 : 72,186.40 = 28,436.88 : x
  2. Step 2: Convert to fraction form
    52,309.60/72,186.40 = 28,436.88/x
  3. Step 3: Cross multiply
    52,309.60x = 72,186.40 × 28,436.88
  4. Step 4: Simplify right side
    52,309.60x = 2,052,755,562.41
  5. Step 5: Solve for x
    x = 2,052,755,562.41/52,309.60
  6. Step 6: Final answer
    x = 39,242.43

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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.