Home / 52,191.87-72,024.54-28,318.49

Finding the Fourth Proportional to 52,191.87, 72,024.54 and 28,318.49

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Solution

The fourth proportional to 52,191.87, 72,024.54 and 28,318.49 is: 39,079.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,191.87 : 72,024.54 = 28,318.49 : x
  2. Step 2: Convert to fraction form
    52,191.87/72,024.54 = 28,318.49/x
  3. Step 3: Cross multiply
    52,191.87x = 72,024.54 × 28,318.49
  4. Step 4: Simplify right side
    52,191.87x = 2,039,625,855.62
  5. Step 5: Solve for x
    x = 2,039,625,855.62/52,191.87
  6. Step 6: Final answer
    x = 39,079.38

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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.