Home / 40,363.71-60,554.78-12,287.75

Finding the Fourth Proportional to 40,363.71, 60,554.78 and 12,287.75

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Solution

The fourth proportional to 40,363.71, 60,554.78 and 12,287.75 is: 18,434.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,363.71 : 60,554.78 = 12,287.75 : x
  2. Step 2: Convert to fraction form
    40,363.71/60,554.78 = 12,287.75/x
  3. Step 3: Cross multiply
    40,363.71x = 60,554.78 × 12,287.75
  4. Step 4: Simplify right side
    40,363.71x = 744,081,997.95
  5. Step 5: Solve for x
    x = 744,081,997.95/40,363.71
  6. Step 6: Final answer
    x = 18,434.43

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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.