Home / 40,022.80-60,042.24-11,943.28

Finding the Fourth Proportional to 40,022.80, 60,042.24 and 11,943.28

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Solution

The fourth proportional to 40,022.80, 60,042.24 and 11,943.28 is: 17,917.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,022.80 : 60,042.24 = 11,943.28 : x
  2. Step 2: Convert to fraction form
    40,022.80/60,042.24 = 11,943.28/x
  3. Step 3: Cross multiply
    40,022.80x = 60,042.24 × 11,943.28
  4. Step 4: Simplify right side
    40,022.80x = 717,101,284.15
  5. Step 5: Solve for x
    x = 717,101,284.15/40,022.80
  6. Step 6: Final answer
    x = 17,917.32

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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.