Home / 44,640.12-66,959.91-11,359.92

Finding the Fourth Proportional to 44,640.12, 66,959.91 and 11,359.92

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Solution

The fourth proportional to 44,640.12, 66,959.91 and 11,359.92 is: 17,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,640.12 : 66,959.91 = 11,359.92 : x
  2. Step 2: Convert to fraction form
    44,640.12/66,959.91 = 11,359.92/x
  3. Step 3: Cross multiply
    44,640.12x = 66,959.91 × 11,359.92
  4. Step 4: Simplify right side
    44,640.12x = 760,659,220.81
  5. Step 5: Solve for x
    x = 760,659,220.81/44,640.12
  6. Step 6: Final answer
    x = 17,039.81

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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.