Home / 45,249.26-67,896.50-20,307.13

Finding the Fourth Proportional to 45,249.26, 67,896.50 and 20,307.13

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Solution

The fourth proportional to 45,249.26, 67,896.50 and 20,307.13 is: 30,470.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.26 : 67,896.50 = 20,307.13 : x
  2. Step 2: Convert to fraction form
    45,249.26/67,896.50 = 20,307.13/x
  3. Step 3: Cross multiply
    45,249.26x = 67,896.50 × 20,307.13
  4. Step 4: Simplify right side
    45,249.26x = 1,378,782,780.77
  5. Step 5: Solve for x
    x = 1,378,782,780.77/45,249.26
  6. Step 6: Final answer
    x = 30,470.84

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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.