Home / 39,248.23-54,163.04-21,343.69

Finding the Fourth Proportional to 39,248.23, 54,163.04 and 21,343.69

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Solution

The fourth proportional to 39,248.23, 54,163.04 and 21,343.69 is: 29,454.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,248.23 : 54,163.04 = 21,343.69 : x
  2. Step 2: Convert to fraction form
    39,248.23/54,163.04 = 21,343.69/x
  3. Step 3: Cross multiply
    39,248.23x = 54,163.04 × 21,343.69
  4. Step 4: Simplify right side
    39,248.23x = 1,156,039,135.22
  5. Step 5: Solve for x
    x = 1,156,039,135.22/39,248.23
  6. Step 6: Final answer
    x = 29,454.55

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Double scale
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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.