Home / 39,505.32-54,515.43-22,513.55

Finding the Fourth Proportional to 39,505.32, 54,515.43 and 22,513.55

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Solution

The fourth proportional to 39,505.32, 54,515.43 and 22,513.55 is: 31,067.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,505.32 : 54,515.43 = 22,513.55 : x
  2. Step 2: Convert to fraction form
    39,505.32/54,515.43 = 22,513.55/x
  3. Step 3: Cross multiply
    39,505.32x = 54,515.43 × 22,513.55
  4. Step 4: Simplify right side
    39,505.32x = 1,227,335,586.50
  5. Step 5: Solve for x
    x = 1,227,335,586.50/39,505.32
  6. Step 6: Final answer
    x = 31,067.60

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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.