Home / 41,920.71-62,881.16-12,338.90

Finding the Fourth Proportional to 41,920.71, 62,881.16 and 12,338.90

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Solution

The fourth proportional to 41,920.71, 62,881.16 and 12,338.90 is: 18,508.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.71 : 62,881.16 = 12,338.90 : x
  2. Step 2: Convert to fraction form
    41,920.71/62,881.16 = 12,338.90/x
  3. Step 3: Cross multiply
    41,920.71x = 62,881.16 × 12,338.90
  4. Step 4: Simplify right side
    41,920.71x = 775,883,969.02
  5. Step 5: Solve for x
    x = 775,883,969.02/41,920.71
  6. Step 6: Final answer
    x = 18,508.37

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1.5x scale

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.