Home / 39,250.26-54,165.09-21,345.30

Finding the Fourth Proportional to 39,250.26, 54,165.09 and 21,345.30

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Solution

The fourth proportional to 39,250.26, 54,165.09 and 21,345.30 is: 29,456.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,250.26 : 54,165.09 = 21,345.30 : x
  2. Step 2: Convert to fraction form
    39,250.26/54,165.09 = 21,345.30/x
  3. Step 3: Cross multiply
    39,250.26x = 54,165.09 × 21,345.30
  4. Step 4: Simplify right side
    39,250.26x = 1,156,170,095.58
  5. Step 5: Solve for x
    x = 1,156,170,095.58/39,250.26
  6. Step 6: Final answer
    x = 29,456.37

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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.