Home / 52,332.78-72,235.43-38,922.20

Finding the Fourth Proportional to 52,332.78, 72,235.43 and 38,922.20

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Solution

The fourth proportional to 52,332.78, 72,235.43 and 38,922.20 is: 53,724.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,332.78 : 72,235.43 = 38,922.20 : x
  2. Step 2: Convert to fraction form
    52,332.78/72,235.43 = 38,922.20/x
  3. Step 3: Cross multiply
    52,332.78x = 72,235.43 × 38,922.20
  4. Step 4: Simplify right side
    52,332.78x = 2,811,561,853.55
  5. Step 5: Solve for x
    x = 2,811,561,853.55/52,332.78
  6. Step 6: Final answer
    x = 53,724.68

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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.