Home / 33,028.68-45,562.86-21,079.56

Finding the Fourth Proportional to 33,028.68, 45,562.86 and 21,079.56

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Solution

The fourth proportional to 33,028.68, 45,562.86 and 21,079.56 is: 29,079.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,028.68 : 45,562.86 = 21,079.56 : x
  2. Step 2: Convert to fraction form
    33,028.68/45,562.86 = 21,079.56/x
  3. Step 3: Cross multiply
    33,028.68x = 45,562.86 × 21,079.56
  4. Step 4: Simplify right side
    33,028.68x = 960,445,041.14
  5. Step 5: Solve for x
    x = 960,445,041.14/33,028.68
  6. Step 6: Final answer
    x = 29,079.12

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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.