Home / 31,537.28-43,521.42-17,391.02

Finding the Fourth Proportional to 31,537.28, 43,521.42 and 17,391.02

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Solution

The fourth proportional to 31,537.28, 43,521.42 and 17,391.02 is: 23,999.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.28 : 43,521.42 = 17,391.02 : x
  2. Step 2: Convert to fraction form
    31,537.28/43,521.42 = 17,391.02/x
  3. Step 3: Cross multiply
    31,537.28x = 43,521.42 × 17,391.02
  4. Step 4: Simplify right side
    31,537.28x = 756,881,885.65
  5. Step 5: Solve for x
    x = 756,881,885.65/31,537.28
  6. Step 6: Final answer
    x = 23,999.59

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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.