Home / 31,264.72-43,145.28-17,117.55

Finding the Fourth Proportional to 31,264.72, 43,145.28 and 17,117.55

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Solution

The fourth proportional to 31,264.72, 43,145.28 and 17,117.55 is: 23,622.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,264.72 : 43,145.28 = 17,117.55 : x
  2. Step 2: Convert to fraction form
    31,264.72/43,145.28 = 17,117.55/x
  3. Step 3: Cross multiply
    31,264.72x = 43,145.28 × 17,117.55
  4. Step 4: Simplify right side
    31,264.72x = 738,541,487.66
  5. Step 5: Solve for x
    x = 738,541,487.66/31,264.72
  6. Step 6: Final answer
    x = 23,622.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.