Home / 31,416.75-43,355.18-17,269.70

Finding the Fourth Proportional to 31,416.75, 43,355.18 and 17,269.70

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Solution

The fourth proportional to 31,416.75, 43,355.18 and 17,269.70 is: 23,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.75 : 43,355.18 = 17,269.70 : x
  2. Step 2: Convert to fraction form
    31,416.75/43,355.18 = 17,269.70/x
  3. Step 3: Cross multiply
    31,416.75x = 43,355.18 × 17,269.70
  4. Step 4: Simplify right side
    31,416.75x = 748,730,778.44
  5. Step 5: Solve for x
    x = 748,730,778.44/31,416.75
  6. Step 6: Final answer
    x = 23,832.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.