Home / 40,633.45-60,928.26-18,434.71

Finding the Fourth Proportional to 40,633.45, 60,928.26 and 18,434.71

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Solution

The fourth proportional to 40,633.45, 60,928.26 and 18,434.71 is: 27,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,633.45 : 60,928.26 = 18,434.71 : x
  2. Step 2: Convert to fraction form
    40,633.45/60,928.26 = 18,434.71/x
  3. Step 3: Cross multiply
    40,633.45x = 60,928.26 × 18,434.71
  4. Step 4: Simplify right side
    40,633.45x = 1,123,194,810.93
  5. Step 5: Solve for x
    x = 1,123,194,810.93/40,633.45
  6. Step 6: Final answer
    x = 27,642.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.