Home / 31,381.16-43,306.26-17,233.88

Finding the Fourth Proportional to 31,381.16, 43,306.26 and 17,233.88

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Solution

The fourth proportional to 31,381.16, 43,306.26 and 17,233.88 is: 23,782.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,381.16 : 43,306.26 = 17,233.88 : x
  2. Step 2: Convert to fraction form
    31,381.16/43,306.26 = 17,233.88/x
  3. Step 3: Cross multiply
    31,381.16x = 43,306.26 × 17,233.88
  4. Step 4: Simplify right side
    31,381.16x = 746,334,888.09
  5. Step 5: Solve for x
    x = 746,334,888.09/31,381.16
  6. Step 6: Final answer
    x = 23,782.90

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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.