Home / 40,020.64-60,033.94-11,938.48

Finding the Fourth Proportional to 40,020.64, 60,033.94 and 11,938.48

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Solution

The fourth proportional to 40,020.64, 60,033.94 and 11,938.48 is: 17,908.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,020.64 : 60,033.94 = 11,938.48 : x
  2. Step 2: Convert to fraction form
    40,020.64/60,033.94 = 11,938.48/x
  3. Step 3: Cross multiply
    40,020.64x = 60,033.94 × 11,938.48
  4. Step 4: Simplify right side
    40,020.64x = 716,713,992.01
  5. Step 5: Solve for x
    x = 716,713,992.01/40,020.64
  6. Step 6: Final answer
    x = 17,908.61

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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.