Home / 31,851.92-47,755.10-14,975.46

Finding the Fourth Proportional to 31,851.92, 47,755.10 and 14,975.46

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Solution

The fourth proportional to 31,851.92, 47,755.10 and 14,975.46 is: 22,452.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,851.92 : 47,755.10 = 14,975.46 : x
  2. Step 2: Convert to fraction form
    31,851.92/47,755.10 = 14,975.46/x
  3. Step 3: Cross multiply
    31,851.92x = 47,755.10 × 14,975.46
  4. Step 4: Simplify right side
    31,851.92x = 715,154,589.85
  5. Step 5: Solve for x
    x = 715,154,589.85/31,851.92
  6. Step 6: Final answer
    x = 22,452.48

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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.