Home / 40,455.72-55,827.74-22,550.35

Finding the Fourth Proportional to 40,455.72, 55,827.74 and 22,550.35

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Solution

The fourth proportional to 40,455.72, 55,827.74 and 22,550.35 is: 31,118.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.72 : 55,827.74 = 22,550.35 : x
  2. Step 2: Convert to fraction form
    40,455.72/55,827.74 = 22,550.35/x
  3. Step 3: Cross multiply
    40,455.72x = 55,827.74 × 22,550.35
  4. Step 4: Simplify right side
    40,455.72x = 1,258,934,751.68
  5. Step 5: Solve for x
    x = 1,258,934,751.68/40,455.72
  6. Step 6: Final answer
    x = 31,118.83

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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.