Home / 75,325.06-113,033.72-30,338.17

Finding the Fourth Proportional to 75,325.06, 113,033.72 and 30,338.17

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Solution

The fourth proportional to 75,325.06, 113,033.72 and 30,338.17 is: 45,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,325.06 : 113,033.72 = 30,338.17 : x
  2. Step 2: Convert to fraction form
    75,325.06/113,033.72 = 30,338.17/x
  3. Step 3: Cross multiply
    75,325.06x = 113,033.72 × 30,338.17
  4. Step 4: Simplify right side
    75,325.06x = 3,429,236,006.35
  5. Step 5: Solve for x
    x = 3,429,236,006.35/75,325.06
  6. Step 6: Final answer
    x = 45,525.83

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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.