Home / 40,489.32-55,854.81-27,078.42

Finding the Fourth Proportional to 40,489.32, 55,854.81 and 27,078.42

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Solution

The fourth proportional to 40,489.32, 55,854.81 and 27,078.42 is: 37,354.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,489.32 : 55,854.81 = 27,078.42 : x
  2. Step 2: Convert to fraction form
    40,489.32/55,854.81 = 27,078.42/x
  3. Step 3: Cross multiply
    40,489.32x = 55,854.81 × 27,078.42
  4. Step 4: Simplify right side
    40,489.32x = 1,512,460,004.20
  5. Step 5: Solve for x
    x = 1,512,460,004.20/40,489.32
  6. Step 6: Final answer
    x = 37,354.54

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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.