Home / 31,866.40-47,799.59-15,175.82

Finding the Fourth Proportional to 31,866.40, 47,799.59 and 15,175.82

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Solution

The fourth proportional to 31,866.40, 47,799.59 and 15,175.82 is: 22,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.40 : 47,799.59 = 15,175.82 : x
  2. Step 2: Convert to fraction form
    31,866.40/47,799.59 = 15,175.82/x
  3. Step 3: Cross multiply
    31,866.40x = 47,799.59 × 15,175.82
  4. Step 4: Simplify right side
    31,866.40x = 725,398,017.53
  5. Step 5: Solve for x
    x = 725,398,017.53/31,866.40
  6. Step 6: Final answer
    x = 22,763.73

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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.