Home / 52,311.87-72,191.84-28,440.18

Finding the Fourth Proportional to 52,311.87, 72,191.84 and 28,440.18

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Solution

The fourth proportional to 52,311.87, 72,191.84 and 28,440.18 is: 39,248.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.87 : 72,191.84 = 28,440.18 : x
  2. Step 2: Convert to fraction form
    52,311.87/72,191.84 = 28,440.18/x
  3. Step 3: Cross multiply
    52,311.87x = 72,191.84 × 28,440.18
  4. Step 4: Simplify right side
    52,311.87x = 2,053,148,781.93
  5. Step 5: Solve for x
    x = 2,053,148,781.93/52,311.87
  6. Step 6: Final answer
    x = 39,248.24

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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.