Home / 52,423.20-72,345.15-28,549.89

Finding the Fourth Proportional to 52,423.20, 72,345.15 and 28,549.89

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Solution

The fourth proportional to 52,423.20, 72,345.15 and 28,549.89 is: 39,399.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,423.20 : 72,345.15 = 28,549.89 : x
  2. Step 2: Convert to fraction form
    52,423.20/72,345.15 = 28,549.89/x
  3. Step 3: Cross multiply
    52,423.20x = 72,345.15 × 28,549.89
  4. Step 4: Simplify right side
    52,423.20x = 2,065,446,074.53
  5. Step 5: Solve for x
    x = 2,065,446,074.53/52,423.20
  6. Step 6: Final answer
    x = 39,399.47

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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.