Home / 38,691.48-53,416.36-29,600.09

Finding the Fourth Proportional to 38,691.48, 53,416.36 and 29,600.09

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Solution

The fourth proportional to 38,691.48, 53,416.36 and 29,600.09 is: 40,865.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.48 : 53,416.36 = 29,600.09 : x
  2. Step 2: Convert to fraction form
    38,691.48/53,416.36 = 29,600.09/x
  3. Step 3: Cross multiply
    38,691.48x = 53,416.36 × 29,600.09
  4. Step 4: Simplify right side
    38,691.48x = 1,581,129,033.70
  5. Step 5: Solve for x
    x = 1,581,129,033.70/38,691.48
  6. Step 6: Final answer
    x = 40,865.05

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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.