Home / 31,372.83-43,294.75-17,943.28

Finding the Fourth Proportional to 31,372.83, 43,294.75 and 17,943.28

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Solution

The fourth proportional to 31,372.83, 43,294.75 and 17,943.28 is: 24,761.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,372.83 : 43,294.75 = 17,943.28 : x
  2. Step 2: Convert to fraction form
    31,372.83/43,294.75 = 17,943.28/x
  3. Step 3: Cross multiply
    31,372.83x = 43,294.75 × 17,943.28
  4. Step 4: Simplify right side
    31,372.83x = 776,849,821.78
  5. Step 5: Solve for x
    x = 776,849,821.78/31,372.83
  6. Step 6: Final answer
    x = 24,761.87

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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.