Home / 38,132.12-57,164.15-19,401.68

Finding the Fourth Proportional to 38,132.12, 57,164.15 and 19,401.68

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Solution

The fourth proportional to 38,132.12, 57,164.15 and 19,401.68 is: 29,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,132.12 : 57,164.15 = 19,401.68 : x
  2. Step 2: Convert to fraction form
    38,132.12/57,164.15 = 19,401.68/x
  3. Step 3: Cross multiply
    38,132.12x = 57,164.15 × 19,401.68
  4. Step 4: Simplify right side
    38,132.12x = 1,109,080,308.46
  5. Step 5: Solve for x
    x = 1,109,080,308.46/38,132.12
  6. Step 6: Final answer
    x = 29,085.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.