Home / 39,251.24-54,167.18-21,346.70

Finding the Fourth Proportional to 39,251.24, 54,167.18 and 21,346.70

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Solution

The fourth proportional to 39,251.24, 54,167.18 and 21,346.70 is: 29,458.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.24 : 54,167.18 = 21,346.70 : x
  2. Step 2: Convert to fraction form
    39,251.24/54,167.18 = 21,346.70/x
  3. Step 3: Cross multiply
    39,251.24x = 54,167.18 × 21,346.70
  4. Step 4: Simplify right side
    39,251.24x = 1,156,290,541.31
  5. Step 5: Solve for x
    x = 1,156,290,541.31/39,251.24
  6. Step 6: Final answer
    x = 29,458.70

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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.