Home / 31,723.46-43,765.46-19,615.34

Finding the Fourth Proportional to 31,723.46, 43,765.46 and 19,615.34

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Solution

The fourth proportional to 31,723.46, 43,765.46 and 19,615.34 is: 27,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.46 : 43,765.46 = 19,615.34 : x
  2. Step 2: Convert to fraction form
    31,723.46/43,765.46 = 19,615.34/x
  3. Step 3: Cross multiply
    31,723.46x = 43,765.46 × 19,615.34
  4. Step 4: Simplify right side
    31,723.46x = 858,474,326.17
  5. Step 5: Solve for x
    x = 858,474,326.17/31,723.46
  6. Step 6: Final answer
    x = 27,061.18

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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.