Home / 45,286.09-67,928.93-38,559.95

Finding the Fourth Proportional to 45,286.09, 67,928.93 and 38,559.95

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Solution

The fourth proportional to 45,286.09, 67,928.93 and 38,559.95 is: 57,839.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,286.09 : 67,928.93 = 38,559.95 : x
  2. Step 2: Convert to fraction form
    45,286.09/67,928.93 = 38,559.95/x
  3. Step 3: Cross multiply
    45,286.09x = 67,928.93 × 38,559.95
  4. Step 4: Simplify right side
    45,286.09x = 2,619,336,011.24
  5. Step 5: Solve for x
    x = 2,619,336,011.24/45,286.09
  6. Step 6: Final answer
    x = 57,839.75

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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.