Home / 31,360.57-43,277.91-17,020.53

Finding the Fourth Proportional to 31,360.57, 43,277.91 and 17,020.53

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Solution

The fourth proportional to 31,360.57, 43,277.91 and 17,020.53 is: 23,488.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,360.57 : 43,277.91 = 17,020.53 : x
  2. Step 2: Convert to fraction form
    31,360.57/43,277.91 = 17,020.53/x
  3. Step 3: Cross multiply
    31,360.57x = 43,277.91 × 17,020.53
  4. Step 4: Simplify right side
    31,360.57x = 736,612,965.49
  5. Step 5: Solve for x
    x = 736,612,965.49/31,360.57
  6. Step 6: Final answer
    x = 23,488.51

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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.