Home / 40,147.16-55,403.46-22,242.56

Finding the Fourth Proportional to 40,147.16, 55,403.46 and 22,242.56

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Solution

The fourth proportional to 40,147.16, 55,403.46 and 22,242.56 is: 30,694.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.16 : 55,403.46 = 22,242.56 : x
  2. Step 2: Convert to fraction form
    40,147.16/55,403.46 = 22,242.56/x
  3. Step 3: Cross multiply
    40,147.16x = 55,403.46 × 22,242.56
  4. Step 4: Simplify right side
    40,147.16x = 1,232,314,506.24
  5. Step 5: Solve for x
    x = 1,232,314,506.24/40,147.16
  6. Step 6: Final answer
    x = 30,694.94

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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.