Home / 29,319.72-40,446.34-18,546.46

Finding the Fourth Proportional to 29,319.72, 40,446.34 and 18,546.46

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Solution

The fourth proportional to 29,319.72, 40,446.34 and 18,546.46 is: 25,584.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,319.72 : 40,446.34 = 18,546.46 : x
  2. Step 2: Convert to fraction form
    29,319.72/40,446.34 = 18,546.46/x
  3. Step 3: Cross multiply
    29,319.72x = 40,446.34 × 18,546.46
  4. Step 4: Simplify right side
    29,319.72x = 750,136,426.96
  5. Step 5: Solve for x
    x = 750,136,426.96/29,319.72
  6. Step 6: Final answer
    x = 25,584.71

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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.