Home / 31,402.14-43,334.94-17,255.07

Finding the Fourth Proportional to 31,402.14, 43,334.94 and 17,255.07

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Solution

The fourth proportional to 31,402.14, 43,334.94 and 17,255.07 is: 23,811.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.14 : 43,334.94 = 17,255.07 : x
  2. Step 2: Convert to fraction form
    31,402.14/43,334.94 = 17,255.07/x
  3. Step 3: Cross multiply
    31,402.14x = 43,334.94 × 17,255.07
  4. Step 4: Simplify right side
    31,402.14x = 747,747,423.15
  5. Step 5: Solve for x
    x = 747,747,423.15/31,402.14
  6. Step 6: Final answer
    x = 23,811.99

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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.