Home / 52,380.28-72,286.40-29,720.22

Finding the Fourth Proportional to 52,380.28, 72,286.40 and 29,720.22

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Solution

The fourth proportional to 52,380.28, 72,286.40 and 29,720.22 is: 41,014.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,380.28 : 72,286.40 = 29,720.22 : x
  2. Step 2: Convert to fraction form
    52,380.28/72,286.40 = 29,720.22/x
  3. Step 3: Cross multiply
    52,380.28x = 72,286.40 × 29,720.22
  4. Step 4: Simplify right side
    52,380.28x = 2,148,367,711.01
  5. Step 5: Solve for x
    x = 2,148,367,711.01/52,380.28
  6. Step 6: Final answer
    x = 41,014.82

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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.