Home / 29,314.37-43,971.20-7,127.76

Finding the Fourth Proportional to 29,314.37, 43,971.20 and 7,127.76

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Solution

The fourth proportional to 29,314.37, 43,971.20 and 7,127.76 is: 10,691.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,314.37 : 43,971.20 = 7,127.76 : x
  2. Step 2: Convert to fraction form
    29,314.37/43,971.20 = 7,127.76/x
  3. Step 3: Cross multiply
    29,314.37x = 43,971.20 × 7,127.76
  4. Step 4: Simplify right side
    29,314.37x = 313,416,124.87
  5. Step 5: Solve for x
    x = 313,416,124.87/29,314.37
  6. Step 6: Final answer
    x = 10,691.55

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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.