Home / 45,277.70-67,867.25-18,951.66

Finding the Fourth Proportional to 45,277.70, 67,867.25 and 18,951.66

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Solution

The fourth proportional to 45,277.70, 67,867.25 and 18,951.66 is: 28,406.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,277.70 : 67,867.25 = 18,951.66 : x
  2. Step 2: Convert to fraction form
    45,277.70/67,867.25 = 18,951.66/x
  3. Step 3: Cross multiply
    45,277.70x = 67,867.25 × 18,951.66
  4. Step 4: Simplify right side
    45,277.70x = 1,286,196,952.38
  5. Step 5: Solve for x
    x = 1,286,196,952.38/45,277.70
  6. Step 6: Final answer
    x = 28,406.86

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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.