Home / 31,354.66-43,269.39-17,926.21

Finding the Fourth Proportional to 31,354.66, 43,269.39 and 17,926.21

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Solution

The fourth proportional to 31,354.66, 43,269.39 and 17,926.21 is: 24,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,354.66 : 43,269.39 = 17,926.21 : x
  2. Step 2: Convert to fraction form
    31,354.66/43,269.39 = 17,926.21/x
  3. Step 3: Cross multiply
    31,354.66x = 43,269.39 × 17,926.21
  4. Step 4: Simplify right side
    31,354.66x = 775,656,171.71
  5. Step 5: Solve for x
    x = 775,656,171.71/31,354.66
  6. Step 6: Final answer
    x = 24,738.15

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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.