Home / 45,249.49-67,896.84-20,307.37

Finding the Fourth Proportional to 45,249.49, 67,896.84 and 20,307.37

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Solution

The fourth proportional to 45,249.49, 67,896.84 and 20,307.37 is: 30,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,249.49 : 67,896.84 = 20,307.37 : x
  2. Step 2: Convert to fraction form
    45,249.49/67,896.84 = 20,307.37/x
  3. Step 3: Cross multiply
    45,249.49x = 67,896.84 × 20,307.37
  4. Step 4: Simplify right side
    45,249.49x = 1,378,806,251.71
  5. Step 5: Solve for x
    x = 1,378,806,251.71/45,249.49
  6. Step 6: Final answer
    x = 30,471.20

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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.