Home / 31,040.28-42,834.89-17,610.75

Finding the Fourth Proportional to 31,040.28, 42,834.89 and 17,610.75

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Solution

The fourth proportional to 31,040.28, 42,834.89 and 17,610.75 is: 24,302.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.28 : 42,834.89 = 17,610.75 : x
  2. Step 2: Convert to fraction form
    31,040.28/42,834.89 = 17,610.75/x
  3. Step 3: Cross multiply
    31,040.28x = 42,834.89 × 17,610.75
  4. Step 4: Simplify right side
    31,040.28x = 754,354,583.09
  5. Step 5: Solve for x
    x = 754,354,583.09/31,040.28
  6. Step 6: Final answer
    x = 24,302.44

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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.