Home / 52,343.45-72,230.40-28,469.61

Finding the Fourth Proportional to 52,343.45, 72,230.40 and 28,469.61

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Solution

The fourth proportional to 52,343.45, 72,230.40 and 28,469.61 is: 39,286.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,343.45 : 72,230.40 = 28,469.61 : x
  2. Step 2: Convert to fraction form
    52,343.45/72,230.40 = 28,469.61/x
  3. Step 3: Cross multiply
    52,343.45x = 72,230.40 × 28,469.61
  4. Step 4: Simplify right side
    52,343.45x = 2,056,371,318.14
  5. Step 5: Solve for x
    x = 2,056,371,318.14/52,343.45
  6. Step 6: Final answer
    x = 39,286.12

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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.