Home / 31,402.13-43,334.96-17,255.07

Finding the Fourth Proportional to 31,402.13, 43,334.96 and 17,255.07

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Solution

The fourth proportional to 31,402.13, 43,334.96 and 17,255.07 is: 23,812.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,402.13 : 43,334.96 = 17,255.07 : x
  2. Step 2: Convert to fraction form
    31,402.13/43,334.96 = 17,255.07/x
  3. Step 3: Cross multiply
    31,402.13x = 43,334.96 × 17,255.07
  4. Step 4: Simplify right side
    31,402.13x = 747,747,681.97
  5. Step 5: Solve for x
    x = 747,747,681.97/31,402.13
  6. Step 6: Final answer
    x = 23,812.01

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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.