Home / 31,307.60-43,204.26-17,160.20

Finding the Fourth Proportional to 31,307.60, 43,204.26 and 17,160.20

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Solution

The fourth proportional to 31,307.60, 43,204.26 and 17,160.20 is: 23,680.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.60 : 43,204.26 = 17,160.20 : x
  2. Step 2: Convert to fraction form
    31,307.60/43,204.26 = 17,160.20/x
  3. Step 3: Cross multiply
    31,307.60x = 43,204.26 × 17,160.20
  4. Step 4: Simplify right side
    31,307.60x = 741,393,742.45
  5. Step 5: Solve for x
    x = 741,393,742.45/31,307.60
  6. Step 6: Final answer
    x = 23,680.95

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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.