Home / 40,451.10-55,815.75-22,542.18

Finding the Fourth Proportional to 40,451.10, 55,815.75 and 22,542.18

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Solution

The fourth proportional to 40,451.10, 55,815.75 and 22,542.18 is: 31,104.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,451.10 : 55,815.75 = 22,542.18 : x
  2. Step 2: Convert to fraction form
    40,451.10/55,815.75 = 22,542.18/x
  3. Step 3: Cross multiply
    40,451.10x = 55,815.75 × 22,542.18
  4. Step 4: Simplify right side
    40,451.10x = 1,258,208,683.34
  5. Step 5: Solve for x
    x = 1,258,208,683.34/40,451.10
  6. Step 6: Final answer
    x = 31,104.44

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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.