Home / 40,934.71-61,418.46-12,859.10

Finding the Fourth Proportional to 40,934.71, 61,418.46 and 12,859.10

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Solution

The fourth proportional to 40,934.71, 61,418.46 and 12,859.10 is: 19,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,934.71 : 61,418.46 = 12,859.10 : x
  2. Step 2: Convert to fraction form
    40,934.71/61,418.46 = 12,859.10/x
  3. Step 3: Cross multiply
    40,934.71x = 61,418.46 × 12,859.10
  4. Step 4: Simplify right side
    40,934.71x = 789,786,118.99
  5. Step 5: Solve for x
    x = 789,786,118.99/40,934.71
  6. Step 6: Final answer
    x = 19,293.80

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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.