Home / 75,671.38-113,488.79-33,528.16

Finding the Fourth Proportional to 75,671.38, 113,488.79 and 33,528.16

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Solution

The fourth proportional to 75,671.38, 113,488.79 and 33,528.16 is: 50,284.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,671.38 : 113,488.79 = 33,528.16 : x
  2. Step 2: Convert to fraction form
    75,671.38/113,488.79 = 33,528.16/x
  3. Step 3: Cross multiply
    75,671.38x = 113,488.79 × 33,528.16
  4. Step 4: Simplify right side
    75,671.38x = 3,805,070,309.33
  5. Step 5: Solve for x
    x = 3,805,070,309.33/75,671.38
  6. Step 6: Final answer
    x = 50,284.14

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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.