Home / 67,036.52-100,570.86-20,286.44

Finding the Fourth Proportional to 67,036.52, 100,570.86 and 20,286.44

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Solution

The fourth proportional to 67,036.52, 100,570.86 and 20,286.44 is: 30,434.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,036.52 : 100,570.86 = 20,286.44 : x
  2. Step 2: Convert to fraction form
    67,036.52/100,570.86 = 20,286.44/x
  3. Step 3: Cross multiply
    67,036.52x = 100,570.86 × 20,286.44
  4. Step 4: Simplify right side
    67,036.52x = 2,040,224,717.14
  5. Step 5: Solve for x
    x = 2,040,224,717.14/67,036.52
  6. Step 6: Final answer
    x = 30,434.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.