Home / 29,020.12-43,530.18-8,240.92

Finding the Fourth Proportional to 29,020.12, 43,530.18 and 8,240.92

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Solution

The fourth proportional to 29,020.12, 43,530.18 and 8,240.92 is: 12,361.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,020.12 : 43,530.18 = 8,240.92 : x
  2. Step 2: Convert to fraction form
    29,020.12/43,530.18 = 8,240.92/x
  3. Step 3: Cross multiply
    29,020.12x = 43,530.18 × 8,240.92
  4. Step 4: Simplify right side
    29,020.12x = 358,728,730.97
  5. Step 5: Solve for x
    x = 358,728,730.97/29,020.12
  6. Step 6: Final answer
    x = 12,361.38

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Double scale
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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.