Home / 39,250.66-54,165.72-21,345.52

Finding the Fourth Proportional to 39,250.66, 54,165.72 and 21,345.52

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Solution

The fourth proportional to 39,250.66, 54,165.72 and 21,345.52 is: 29,456.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,250.66 : 54,165.72 = 21,345.52 : x
  2. Step 2: Convert to fraction form
    39,250.66/54,165.72 = 21,345.52/x
  3. Step 3: Cross multiply
    39,250.66x = 54,165.72 × 21,345.52
  4. Step 4: Simplify right side
    39,250.66x = 1,156,195,459.57
  5. Step 5: Solve for x
    x = 1,156,195,459.57/39,250.66
  6. Step 6: Final answer
    x = 29,456.71

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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.