Home / 31,401.42-43,336.08-17,254.44

Finding the Fourth Proportional to 31,401.42, 43,336.08 and 17,254.44

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Solution

The fourth proportional to 31,401.42, 43,336.08 and 17,254.44 is: 23,812.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.42 : 43,336.08 = 17,254.44 : x
  2. Step 2: Convert to fraction form
    31,401.42/43,336.08 = 17,254.44/x
  3. Step 3: Cross multiply
    31,401.42x = 43,336.08 × 17,254.44
  4. Step 4: Simplify right side
    31,401.42x = 747,739,792.20
  5. Step 5: Solve for x
    x = 747,739,792.20/31,401.42
  6. Step 6: Final answer
    x = 23,812.29

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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.