Home / 52,453.01-72,385.11-28,579.88

Finding the Fourth Proportional to 52,453.01, 72,385.11 and 28,579.88

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Solution

The fourth proportional to 52,453.01, 72,385.11 and 28,579.88 is: 39,440.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,453.01 : 72,385.11 = 28,579.88 : x
  2. Step 2: Convert to fraction form
    52,453.01/72,385.11 = 28,579.88/x
  3. Step 3: Cross multiply
    52,453.01x = 72,385.11 × 28,579.88
  4. Step 4: Simplify right side
    52,453.01x = 2,068,757,757.59
  5. Step 5: Solve for x
    x = 2,068,757,757.59/52,453.01
  6. Step 6: Final answer
    x = 39,440.21

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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.