Home / 29,105.92-43,632.96-13,515.04

Finding the Fourth Proportional to 29,105.92, 43,632.96 and 13,515.04

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Solution

The fourth proportional to 29,105.92, 43,632.96 and 13,515.04 is: 20,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,105.92 : 43,632.96 = 13,515.04 : x
  2. Step 2: Convert to fraction form
    29,105.92/43,632.96 = 13,515.04/x
  3. Step 3: Cross multiply
    29,105.92x = 43,632.96 × 13,515.04
  4. Step 4: Simplify right side
    29,105.92x = 589,701,199.72
  5. Step 5: Solve for x
    x = 589,701,199.72/29,105.92
  6. Step 6: Final answer
    x = 20,260.52

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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.