Home / 31,512.28-47,223.86-17,478.49

Finding the Fourth Proportional to 31,512.28, 47,223.86 and 17,478.49

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Solution

The fourth proportional to 31,512.28, 47,223.86 and 17,478.49 is: 26,193.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.28 : 47,223.86 = 17,478.49 : x
  2. Step 2: Convert to fraction form
    31,512.28/47,223.86 = 17,478.49/x
  3. Step 3: Cross multiply
    31,512.28x = 47,223.86 × 17,478.49
  4. Step 4: Simplify right side
    31,512.28x = 825,401,764.77
  5. Step 5: Solve for x
    x = 825,401,764.77/31,512.28
  6. Step 6: Final answer
    x = 26,193.02

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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.