Home / 40,016.67-55,224.08-22,112.79

Finding the Fourth Proportional to 40,016.67, 55,224.08 and 22,112.79

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Solution

The fourth proportional to 40,016.67, 55,224.08 and 22,112.79 is: 30,516.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.67 : 55,224.08 = 22,112.79 : x
  2. Step 2: Convert to fraction form
    40,016.67/55,224.08 = 22,112.79/x
  3. Step 3: Cross multiply
    40,016.67x = 55,224.08 × 22,112.79
  4. Step 4: Simplify right side
    40,016.67x = 1,221,158,373.42
  5. Step 5: Solve for x
    x = 1,221,158,373.42/40,016.67
  6. Step 6: Final answer
    x = 30,516.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.