Home / 31,866.19-47,799.28-15,175.62

Finding the Fourth Proportional to 31,866.19, 47,799.28 and 15,175.62

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Solution

The fourth proportional to 31,866.19, 47,799.28 and 15,175.62 is: 22,763.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,866.19 : 47,799.28 = 15,175.62 : x
  2. Step 2: Convert to fraction form
    31,866.19/47,799.28 = 15,175.62/x
  3. Step 3: Cross multiply
    31,866.19x = 47,799.28 × 15,175.62
  4. Step 4: Simplify right side
    31,866.19x = 725,383,728.52
  5. Step 5: Solve for x
    x = 725,383,728.52/31,866.19
  6. Step 6: Final answer
    x = 22,763.43

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1.5x scale

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.