Home / 52,350.90-72,245.46-28,478.88

Finding the Fourth Proportional to 52,350.90, 72,245.46 and 28,478.88

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Solution

The fourth proportional to 52,350.90, 72,245.46 and 28,478.88 is: 39,301.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,350.90 : 72,245.46 = 28,478.88 : x
  2. Step 2: Convert to fraction form
    52,350.90/72,245.46 = 28,478.88/x
  3. Step 3: Cross multiply
    52,350.90x = 72,245.46 × 28,478.88
  4. Step 4: Simplify right side
    52,350.90x = 2,057,469,785.88
  5. Step 5: Solve for x
    x = 2,057,469,785.88/52,350.90
  6. Step 6: Final answer
    x = 39,301.52

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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.