Home / 38,008.20-57,012.30-10,306.20

Finding the Fourth Proportional to 38,008.20, 57,012.30 and 10,306.20

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Solution

The fourth proportional to 38,008.20, 57,012.30 and 10,306.20 is: 15,459.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,008.20 : 57,012.30 = 10,306.20 : x
  2. Step 2: Convert to fraction form
    38,008.20/57,012.30 = 10,306.20/x
  3. Step 3: Cross multiply
    38,008.20x = 57,012.30 × 10,306.20
  4. Step 4: Simplify right side
    38,008.20x = 587,580,166.26
  5. Step 5: Solve for x
    x = 587,580,166.26/38,008.20
  6. Step 6: Final answer
    x = 15,459.30

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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.