Home / 40,470.74-60,682.59-12,382.77

Finding the Fourth Proportional to 40,470.74, 60,682.59 and 12,382.77

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Solution

The fourth proportional to 40,470.74, 60,682.59 and 12,382.77 is: 18,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,470.74 : 60,682.59 = 12,382.77 : x
  2. Step 2: Convert to fraction form
    40,470.74/60,682.59 = 12,382.77/x
  3. Step 3: Cross multiply
    40,470.74x = 60,682.59 × 12,382.77
  4. Step 4: Simplify right side
    40,470.74x = 751,418,554.97
  5. Step 5: Solve for x
    x = 751,418,554.97/40,470.74
  6. Step 6: Final answer
    x = 18,566.96

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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.