Home / 31,538.22-43,522.14-17,391.06

Finding the Fourth Proportional to 31,538.22, 43,522.14 and 17,391.06

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Solution

The fourth proportional to 31,538.22, 43,522.14 and 17,391.06 is: 23,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,538.22 : 43,522.14 = 17,391.06 : x
  2. Step 2: Convert to fraction form
    31,538.22/43,522.14 = 17,391.06/x
  3. Step 3: Cross multiply
    31,538.22x = 43,522.14 × 17,391.06
  4. Step 4: Simplify right side
    31,538.22x = 756,896,148.07
  5. Step 5: Solve for x
    x = 756,896,148.07/31,538.22
  6. Step 6: Final answer
    x = 23,999.33

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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.