Home / 31,505.72-43,474.20-18,074.84

Finding the Fourth Proportional to 31,505.72, 43,474.20 and 18,074.84

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Solution

The fourth proportional to 31,505.72, 43,474.20 and 18,074.84 is: 24,941.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.72 : 43,474.20 = 18,074.84 : x
  2. Step 2: Convert to fraction form
    31,505.72/43,474.20 = 18,074.84/x
  3. Step 3: Cross multiply
    31,505.72x = 43,474.20 × 18,074.84
  4. Step 4: Simplify right side
    31,505.72x = 785,789,209.13
  5. Step 5: Solve for x
    x = 785,789,209.13/31,505.72
  6. Step 6: Final answer
    x = 24,941.16

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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.