Home / 32,760.97-45,215.01-20,021.53

Finding the Fourth Proportional to 32,760.97, 45,215.01 and 20,021.53

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Solution

The fourth proportional to 32,760.97, 45,215.01 and 20,021.53 is: 27,632.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.97 : 45,215.01 = 20,021.53 : x
  2. Step 2: Convert to fraction form
    32,760.97/45,215.01 = 20,021.53/x
  3. Step 3: Cross multiply
    32,760.97x = 45,215.01 × 20,021.53
  4. Step 4: Simplify right side
    32,760.97x = 905,273,679.17
  5. Step 5: Solve for x
    x = 905,273,679.17/32,760.97
  6. Step 6: Final answer
    x = 27,632.69

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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.