Home / 47,691.18-65,811.48-26,180.40

Finding the Fourth Proportional to 47,691.18, 65,811.48 and 26,180.40

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Solution

The fourth proportional to 47,691.18, 65,811.48 and 26,180.40 is: 36,127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,691.18 : 65,811.48 = 26,180.40 : x
  2. Step 2: Convert to fraction form
    47,691.18/65,811.48 = 26,180.40/x
  3. Step 3: Cross multiply
    47,691.18x = 65,811.48 × 26,180.40
  4. Step 4: Simplify right side
    47,691.18x = 1,722,970,870.99
  5. Step 5: Solve for x
    x = 1,722,970,870.99/47,691.18
  6. Step 6: Final answer
    x = 36,127.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.