Home / 71,307.08-106,960.32-17,999.18

Finding the Fourth Proportional to 71,307.08, 106,960.32 and 17,999.18

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Solution

The fourth proportional to 71,307.08, 106,960.32 and 17,999.18 is: 26,998.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,307.08 : 106,960.32 = 17,999.18 : x
  2. Step 2: Convert to fraction form
    71,307.08/106,960.32 = 17,999.18/x
  3. Step 3: Cross multiply
    71,307.08x = 106,960.32 × 17,999.18
  4. Step 4: Simplify right side
    71,307.08x = 1,925,198,052.54
  5. Step 5: Solve for x
    x = 1,925,198,052.54/71,307.08
  6. Step 6: Final answer
    x = 26,998.69

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Similar ratio
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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.