Home / 38,311.79-57,465.30-18,335.47

Finding the Fourth Proportional to 38,311.79, 57,465.30 and 18,335.47

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Solution

The fourth proportional to 38,311.79, 57,465.30 and 18,335.47 is: 27,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,311.79 : 57,465.30 = 18,335.47 : x
  2. Step 2: Convert to fraction form
    38,311.79/57,465.30 = 18,335.47/x
  3. Step 3: Cross multiply
    38,311.79x = 57,465.30 × 18,335.47
  4. Step 4: Simplify right side
    38,311.79x = 1,053,652,996.86
  5. Step 5: Solve for x
    x = 1,053,652,996.86/38,311.79
  6. Step 6: Final answer
    x = 27,502.06

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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.