Home / 39,165.23-54,049.00-21,260.24

Finding the Fourth Proportional to 39,165.23, 54,049.00 and 21,260.24

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Solution

The fourth proportional to 39,165.23, 54,049.00 and 21,260.24 is: 29,339.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.23 : 54,049.00 = 21,260.24 : x
  2. Step 2: Convert to fraction form
    39,165.23/54,049.00 = 21,260.24/x
  3. Step 3: Cross multiply
    39,165.23x = 54,049.00 × 21,260.24
  4. Step 4: Simplify right side
    39,165.23x = 1,149,094,616.50
  5. Step 5: Solve for x
    x = 1,149,094,616.50/39,165.23
  6. Step 6: Final answer
    x = 29,339.66

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Half scale
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Double scale
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Similar ratio
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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.