Home / 31,549.75-43,538.70-17,402.56

Finding the Fourth Proportional to 31,549.75, 43,538.70 and 17,402.56

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Solution

The fourth proportional to 31,549.75, 43,538.70 and 17,402.56 is: 24,015.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,549.75 : 43,538.70 = 17,402.56 : x
  2. Step 2: Convert to fraction form
    31,549.75/43,538.70 = 17,402.56/x
  3. Step 3: Cross multiply
    31,549.75x = 43,538.70 × 17,402.56
  4. Step 4: Simplify right side
    31,549.75x = 757,684,839.07
  5. Step 5: Solve for x
    x = 757,684,839.07/31,549.75
  6. Step 6: Final answer
    x = 24,015.56

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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.