Home / 31,552.09-47,310.38-10,480.85

Finding the Fourth Proportional to 31,552.09, 47,310.38 and 10,480.85

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Solution

The fourth proportional to 31,552.09, 47,310.38 and 10,480.85 is: 15,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,552.09 : 47,310.38 = 10,480.85 : x
  2. Step 2: Convert to fraction form
    31,552.09/47,310.38 = 10,480.85/x
  3. Step 3: Cross multiply
    31,552.09x = 47,310.38 × 10,480.85
  4. Step 4: Simplify right side
    31,552.09x = 495,852,996.22
  5. Step 5: Solve for x
    x = 495,852,996.22/31,552.09
  6. Step 6: Final answer
    x = 15,715.38

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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.