Home / 40,217.74-55,507.14-22,318.49

Finding the Fourth Proportional to 40,217.74, 55,507.14 and 22,318.49

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Solution

The fourth proportional to 40,217.74, 55,507.14 and 22,318.49 is: 30,803.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,217.74 : 55,507.14 = 22,318.49 : x
  2. Step 2: Convert to fraction form
    40,217.74/55,507.14 = 22,318.49/x
  3. Step 3: Cross multiply
    40,217.74x = 55,507.14 × 22,318.49
  4. Step 4: Simplify right side
    40,217.74x = 1,238,835,687.79
  5. Step 5: Solve for x
    x = 1,238,835,687.79/40,217.74
  6. Step 6: Final answer
    x = 30,803.22

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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.