Home / 52,381.98-72,285.76-28,508.16

Finding the Fourth Proportional to 52,381.98, 72,285.76 and 28,508.16

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Solution

The fourth proportional to 52,381.98, 72,285.76 and 28,508.16 is: 39,340.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,381.98 : 72,285.76 = 28,508.16 : x
  2. Step 2: Convert to fraction form
    52,381.98/72,285.76 = 28,508.16/x
  3. Step 3: Cross multiply
    52,381.98x = 72,285.76 × 28,508.16
  4. Step 4: Simplify right side
    52,381.98x = 2,060,734,011.80
  5. Step 5: Solve for x
    x = 2,060,734,011.80/52,381.98
  6. Step 6: Final answer
    x = 39,340.51

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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.