Home / 31,517.40-47,146.94-28,746.41

Finding the Fourth Proportional to 31,517.40, 47,146.94 and 28,746.41

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Solution

The fourth proportional to 31,517.40, 47,146.94 and 28,746.41 is: 43,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,517.40 : 47,146.94 = 28,746.41 : x
  2. Step 2: Convert to fraction form
    31,517.40/47,146.94 = 28,746.41/x
  3. Step 3: Cross multiply
    31,517.40x = 47,146.94 × 28,746.41
  4. Step 4: Simplify right side
    31,517.40x = 1,355,304,981.27
  5. Step 5: Solve for x
    x = 1,355,304,981.27/31,517.40
  6. Step 6: Final answer
    x = 43,001.80

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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.