Home / 31,868.20-43,973.85-17,718.31

Finding the Fourth Proportional to 31,868.20, 43,973.85 and 17,718.31

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Solution

The fourth proportional to 31,868.20, 43,973.85 and 17,718.31 is: 24,448.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.20 : 43,973.85 = 17,718.31 : x
  2. Step 2: Convert to fraction form
    31,868.20/43,973.85 = 17,718.31/x
  3. Step 3: Cross multiply
    31,868.20x = 43,973.85 × 17,718.31
  4. Step 4: Simplify right side
    31,868.20x = 779,142,306.19
  5. Step 5: Solve for x
    x = 779,142,306.19/31,868.20
  6. Step 6: Final answer
    x = 24,448.90

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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.