Home / 39,540.66-54,563.76-21,632.10

Finding the Fourth Proportional to 39,540.66, 54,563.76 and 21,632.10

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Solution

The fourth proportional to 39,540.66, 54,563.76 and 21,632.10 is: 29,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,540.66 : 54,563.76 = 21,632.10 : x
  2. Step 2: Convert to fraction form
    39,540.66/54,563.76 = 21,632.10/x
  3. Step 3: Cross multiply
    39,540.66x = 54,563.76 × 21,632.10
  4. Step 4: Simplify right side
    39,540.66x = 1,180,328,712.70
  5. Step 5: Solve for x
    x = 1,180,328,712.70/39,540.66
  6. Step 6: Final answer
    x = 29,851.01

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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.