Home / 32,949.12-45,470.88-20,028.48

Finding the Fourth Proportional to 32,949.12, 45,470.88 and 20,028.48

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Solution

The fourth proportional to 32,949.12, 45,470.88 and 20,028.48 is: 27,639.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,949.12 : 45,470.88 = 20,028.48 : x
  2. Step 2: Convert to fraction form
    32,949.12/45,470.88 = 20,028.48/x
  3. Step 3: Cross multiply
    32,949.12x = 45,470.88 × 20,028.48
  4. Step 4: Simplify right side
    32,949.12x = 910,712,610.66
  5. Step 5: Solve for x
    x = 910,712,610.66/32,949.12
  6. Step 6: Final answer
    x = 27,639.97

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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.