Home / 40,081.70-55,308.78-22,174.22

Finding the Fourth Proportional to 40,081.70, 55,308.78 and 22,174.22

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Solution

The fourth proportional to 40,081.70, 55,308.78 and 22,174.22 is: 30,598.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,081.70 : 55,308.78 = 22,174.22 : x
  2. Step 2: Convert to fraction form
    40,081.70/55,308.78 = 22,174.22/x
  3. Step 3: Cross multiply
    40,081.70x = 55,308.78 × 22,174.22
  4. Step 4: Simplify right side
    40,081.70x = 1,226,429,193.92
  5. Step 5: Solve for x
    x = 1,226,429,193.92/40,081.70
  6. Step 6: Final answer
    x = 30,598.23

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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.