Home / 52,387.75-72,295.23-28,514.62

Finding the Fourth Proportional to 52,387.75, 72,295.23 and 28,514.62

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Solution

The fourth proportional to 52,387.75, 72,295.23 and 28,514.62 is: 39,350.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,387.75 : 72,295.23 = 28,514.62 : x
  2. Step 2: Convert to fraction form
    52,387.75/72,295.23 = 28,514.62/x
  3. Step 3: Cross multiply
    52,387.75x = 72,295.23 × 28,514.62
  4. Step 4: Simplify right side
    52,387.75x = 2,061,471,011.26
  5. Step 5: Solve for x
    x = 2,061,471,011.26/52,387.75
  6. Step 6: Final answer
    x = 39,350.25

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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.