Home / 45,275.76-67,914.25-11,999.04

Finding the Fourth Proportional to 45,275.76, 67,914.25 and 11,999.04

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Solution

The fourth proportional to 45,275.76, 67,914.25 and 11,999.04 is: 17,998.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,275.76 : 67,914.25 = 11,999.04 : x
  2. Step 2: Convert to fraction form
    45,275.76/67,914.25 = 11,999.04/x
  3. Step 3: Cross multiply
    45,275.76x = 67,914.25 × 11,999.04
  4. Step 4: Simplify right side
    45,275.76x = 814,905,517.64
  5. Step 5: Solve for x
    x = 814,905,517.64/45,275.76
  6. Step 6: Final answer
    x = 17,998.72

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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.