Home / 31,512.15-47,223.68-17,478.36

Finding the Fourth Proportional to 31,512.15, 47,223.68 and 17,478.36

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Solution

The fourth proportional to 31,512.15, 47,223.68 and 17,478.36 is: 26,192.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.15 : 47,223.68 = 17,478.36 : x
  2. Step 2: Convert to fraction form
    31,512.15/47,223.68 = 17,478.36/x
  3. Step 3: Cross multiply
    31,512.15x = 47,223.68 × 17,478.36
  4. Step 4: Simplify right side
    31,512.15x = 825,392,392.17
  5. Step 5: Solve for x
    x = 825,392,392.17/31,512.15
  6. Step 6: Final answer
    x = 26,192.83

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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.