Home / 31,868.14-47,802.18-15,177.57

Finding the Fourth Proportional to 31,868.14, 47,802.18 and 15,177.57

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Solution

The fourth proportional to 31,868.14, 47,802.18 and 15,177.57 is: 22,766.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.14 : 47,802.18 = 15,177.57 : x
  2. Step 2: Convert to fraction form
    31,868.14/47,802.18 = 15,177.57/x
  3. Step 3: Cross multiply
    31,868.14x = 47,802.18 × 15,177.57
  4. Step 4: Simplify right side
    31,868.14x = 725,520,933.10
  5. Step 5: Solve for x
    x = 725,520,933.10/31,868.14
  6. Step 6: Final answer
    x = 22,766.34

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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.