Home / 52,311.62-72,191.46-28,439.90

Finding the Fourth Proportional to 52,311.62, 72,191.46 and 28,439.90

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Solution

The fourth proportional to 52,311.62, 72,191.46 and 28,439.90 is: 39,247.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.62 : 72,191.46 = 28,439.90 : x
  2. Step 2: Convert to fraction form
    52,311.62/72,191.46 = 28,439.90/x
  3. Step 3: Cross multiply
    52,311.62x = 72,191.46 × 28,439.90
  4. Step 4: Simplify right side
    52,311.62x = 2,053,117,903.25
  5. Step 5: Solve for x
    x = 2,053,117,903.25/52,311.62
  6. Step 6: Final answer
    x = 39,247.84

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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.