Home / 31,868.80-47,803.18-15,178.24

Finding the Fourth Proportional to 31,868.80, 47,803.18 and 15,178.24

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Solution

The fourth proportional to 31,868.80, 47,803.18 and 15,178.24 is: 22,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.80 : 47,803.18 = 15,178.24 : x
  2. Step 2: Convert to fraction form
    31,868.80/47,803.18 = 15,178.24/x
  3. Step 3: Cross multiply
    31,868.80x = 47,803.18 × 15,178.24
  4. Step 4: Simplify right side
    31,868.80x = 725,568,138.80
  5. Step 5: Solve for x
    x = 725,568,138.80/31,868.80
  6. Step 6: Final answer
    x = 22,767.35

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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.