Home / 31,512.90-47,224.80-17,479.12

Finding the Fourth Proportional to 31,512.90, 47,224.80 and 17,479.12

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Solution

The fourth proportional to 31,512.90, 47,224.80 and 17,479.12 is: 26,193.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,512.90 : 47,224.80 = 17,479.12 : x
  2. Step 2: Convert to fraction form
    31,512.90/47,224.80 = 17,479.12/x
  3. Step 3: Cross multiply
    31,512.90x = 47,224.80 × 17,479.12
  4. Step 4: Simplify right side
    31,512.90x = 825,447,946.18
  5. Step 5: Solve for x
    x = 825,447,946.18/31,512.90
  6. Step 6: Final answer
    x = 26,193.97

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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.