Home / 29,172.57-43,751.35-8,107.71

Finding the Fourth Proportional to 29,172.57, 43,751.35 and 8,107.71

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Solution

The fourth proportional to 29,172.57, 43,751.35 and 8,107.71 is: 12,159.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,172.57 : 43,751.35 = 8,107.71 : x
  2. Step 2: Convert to fraction form
    29,172.57/43,751.35 = 8,107.71/x
  3. Step 3: Cross multiply
    29,172.57x = 43,751.35 × 8,107.71
  4. Step 4: Simplify right side
    29,172.57x = 354,723,257.91
  5. Step 5: Solve for x
    x = 354,723,257.91/29,172.57
  6. Step 6: Final answer
    x = 12,159.48

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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.