Home / 39,451.26-54,442.45-21,546.27

Finding the Fourth Proportional to 39,451.26, 54,442.45 and 21,546.27

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Solution

The fourth proportional to 39,451.26, 54,442.45 and 21,546.27 is: 29,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.26 : 54,442.45 = 21,546.27 : x
  2. Step 2: Convert to fraction form
    39,451.26/54,442.45 = 21,546.27/x
  3. Step 3: Cross multiply
    39,451.26x = 54,442.45 × 21,546.27
  4. Step 4: Simplify right side
    39,451.26x = 1,173,031,727.16
  5. Step 5: Solve for x
    x = 1,173,031,727.16/39,451.26
  6. Step 6: Final answer
    x = 29,733.69

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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.