Home / 40,454.74-55,827.82-22,550.90

Finding the Fourth Proportional to 40,454.74, 55,827.82 and 22,550.90

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Solution

The fourth proportional to 40,454.74, 55,827.82 and 22,550.90 is: 31,120.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,454.74 : 55,827.82 = 22,550.90 : x
  2. Step 2: Convert to fraction form
    40,454.74/55,827.82 = 22,550.90/x
  3. Step 3: Cross multiply
    40,454.74x = 55,827.82 × 22,550.90
  4. Step 4: Simplify right side
    40,454.74x = 1,258,967,586.04
  5. Step 5: Solve for x
    x = 1,258,967,586.04/40,454.74
  6. Step 6: Final answer
    x = 31,120.40

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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.