Home / 39,149.83-54,026.91-21,244.83

Finding the Fourth Proportional to 39,149.83, 54,026.91 and 21,244.83

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Solution

The fourth proportional to 39,149.83, 54,026.91 and 21,244.83 is: 29,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,149.83 : 54,026.91 = 21,244.83 : x
  2. Step 2: Convert to fraction form
    39,149.83/54,026.91 = 21,244.83/x
  3. Step 3: Cross multiply
    39,149.83x = 54,026.91 × 21,244.83
  4. Step 4: Simplify right side
    39,149.83x = 1,147,792,518.38
  5. Step 5: Solve for x
    x = 1,147,792,518.38/39,149.83
  6. Step 6: Final answer
    x = 29,317.94

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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.