Home / 29,318.81-40,446.27-18,701.73

Finding the Fourth Proportional to 29,318.81, 40,446.27 and 18,701.73

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Solution

The fourth proportional to 29,318.81, 40,446.27 and 18,701.73 is: 25,799.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,318.81 : 40,446.27 = 18,701.73 : x
  2. Step 2: Convert to fraction form
    29,318.81/40,446.27 = 18,701.73/x
  3. Step 3: Cross multiply
    29,318.81x = 40,446.27 × 18,701.73
  4. Step 4: Simplify right side
    29,318.81x = 756,415,221.05
  5. Step 5: Solve for x
    x = 756,415,221.05/29,318.81
  6. Step 6: Final answer
    x = 25,799.66

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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.