Home / 38,138.20-57,207.30-35,546.20

Finding the Fourth Proportional to 38,138.20, 57,207.30 and 35,546.20

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Solution

The fourth proportional to 38,138.20, 57,207.30 and 35,546.20 is: 53,319.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138.20 : 57,207.30 = 35,546.20 : x
  2. Step 2: Convert to fraction form
    38,138.20/57,207.30 = 35,546.20/x
  3. Step 3: Cross multiply
    38,138.20x = 57,207.30 × 35,546.20
  4. Step 4: Simplify right side
    38,138.20x = 2,033,502,127.26
  5. Step 5: Solve for x
    x = 2,033,502,127.26/38,138.20
  6. Step 6: Final answer
    x = 53,319.30

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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.