Home / 31,401.48-43,334.03-17,255.24

Finding the Fourth Proportional to 31,401.48, 43,334.03 and 17,255.24

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Solution

The fourth proportional to 31,401.48, 43,334.03 and 17,255.24 is: 23,812.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,401.48 : 43,334.03 = 17,255.24 : x
  2. Step 2: Convert to fraction form
    31,401.48/43,334.03 = 17,255.24/x
  3. Step 3: Cross multiply
    31,401.48x = 43,334.03 × 17,255.24
  4. Step 4: Simplify right side
    31,401.48x = 747,738,914.29
  5. Step 5: Solve for x
    x = 747,738,914.29/31,401.48
  6. Step 6: Final answer
    x = 23,812.22

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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.