Home / 40,321.62-55,637.55-22,416.57

Finding the Fourth Proportional to 40,321.62, 55,637.55 and 22,416.57

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Solution

The fourth proportional to 40,321.62, 55,637.55 and 22,416.57 is: 30,931.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321.62 : 55,637.55 = 22,416.57 : x
  2. Step 2: Convert to fraction form
    40,321.62/55,637.55 = 22,416.57/x
  3. Step 3: Cross multiply
    40,321.62x = 55,637.55 × 22,416.57
  4. Step 4: Simplify right side
    40,321.62x = 1,247,203,034.20
  5. Step 5: Solve for x
    x = 1,247,203,034.20/40,321.62
  6. Step 6: Final answer
    x = 30,931.37

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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.