Home / 71,122.46-106,684.56-21,204.18

Finding the Fourth Proportional to 71,122.46, 106,684.56 and 21,204.18

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Solution

The fourth proportional to 71,122.46, 106,684.56 and 21,204.18 is: 31,806.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,122.46 : 106,684.56 = 21,204.18 : x
  2. Step 2: Convert to fraction form
    71,122.46/106,684.56 = 21,204.18/x
  3. Step 3: Cross multiply
    71,122.46x = 106,684.56 × 21,204.18
  4. Step 4: Simplify right side
    71,122.46x = 2,262,158,613.46
  5. Step 5: Solve for x
    x = 2,262,158,613.46/71,122.46
  6. Step 6: Final answer
    x = 31,806.53

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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.