Home / 31,462.65-43,418.90-17,122.95

Finding the Fourth Proportional to 31,462.65, 43,418.90 and 17,122.95

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Solution

The fourth proportional to 31,462.65, 43,418.90 and 17,122.95 is: 23,629.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,462.65 : 43,418.90 = 17,122.95 : x
  2. Step 2: Convert to fraction form
    31,462.65/43,418.90 = 17,122.95/x
  3. Step 3: Cross multiply
    31,462.65x = 43,418.90 × 17,122.95
  4. Step 4: Simplify right side
    31,462.65x = 743,459,696.56
  5. Step 5: Solve for x
    x = 743,459,696.56/31,462.65
  6. Step 6: Final answer
    x = 23,629.91

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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.