Home / 51,098.40-70,517.45-31,972.07

Finding the Fourth Proportional to 51,098.40, 70,517.45 and 31,972.07

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Solution

The fourth proportional to 51,098.40, 70,517.45 and 31,972.07 is: 44,122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,098.40 : 70,517.45 = 31,972.07 : x
  2. Step 2: Convert to fraction form
    51,098.40/70,517.45 = 31,972.07/x
  3. Step 3: Cross multiply
    51,098.40x = 70,517.45 × 31,972.07
  4. Step 4: Simplify right side
    51,098.40x = 2,254,589,103.85
  5. Step 5: Solve for x
    x = 2,254,589,103.85/51,098.40
  6. Step 6: Final answer
    x = 44,122.50

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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.