Home / 33,278.53-45,934.54-20,535.61

Finding the Fourth Proportional to 33,278.53, 45,934.54 and 20,535.61

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Solution

The fourth proportional to 33,278.53, 45,934.54 and 20,535.61 is: 28,345.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,278.53 : 45,934.54 = 20,535.61 : x
  2. Step 2: Convert to fraction form
    33,278.53/45,934.54 = 20,535.61/x
  3. Step 3: Cross multiply
    33,278.53x = 45,934.54 × 20,535.61
  4. Step 4: Simplify right side
    33,278.53x = 943,293,798.97
  5. Step 5: Solve for x
    x = 943,293,798.97/33,278.53
  6. Step 6: Final answer
    x = 28,345.42

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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.