Home / 31,073.65-42,882.48-17,644.05

Finding the Fourth Proportional to 31,073.65, 42,882.48 and 17,644.05

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Solution

The fourth proportional to 31,073.65, 42,882.48 and 17,644.05 is: 24,349.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,073.65 : 42,882.48 = 17,644.05 : x
  2. Step 2: Convert to fraction form
    31,073.65/42,882.48 = 17,644.05/x
  3. Step 3: Cross multiply
    31,073.65x = 42,882.48 × 17,644.05
  4. Step 4: Simplify right side
    31,073.65x = 756,620,621.24
  5. Step 5: Solve for x
    x = 756,620,621.24/31,073.65
  6. Step 6: Final answer
    x = 24,349.27

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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.