Home / 38,161.80-57,257.28-11,875.68

Finding the Fourth Proportional to 38,161.80, 57,257.28 and 11,875.68

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Solution

The fourth proportional to 38,161.80, 57,257.28 and 11,875.68 is: 17,818.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,161.80 : 57,257.28 = 11,875.68 : x
  2. Step 2: Convert to fraction form
    38,161.80/57,257.28 = 11,875.68/x
  3. Step 3: Cross multiply
    38,161.80x = 57,257.28 × 11,875.68
  4. Step 4: Simplify right side
    38,161.80x = 679,969,134.95
  5. Step 5: Solve for x
    x = 679,969,134.95/38,161.80
  6. Step 6: Final answer
    x = 17,818.06

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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.