Home / 45,250.74-67,806.86-18,941.13

Finding the Fourth Proportional to 45,250.74, 67,806.86 and 18,941.13

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Solution

The fourth proportional to 45,250.74, 67,806.86 and 18,941.13 is: 28,382.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.74 : 67,806.86 = 18,941.13 : x
  2. Step 2: Convert to fraction form
    45,250.74/67,806.86 = 18,941.13/x
  3. Step 3: Cross multiply
    45,250.74x = 67,806.86 × 18,941.13
  4. Step 4: Simplify right side
    45,250.74x = 1,284,338,455.45
  5. Step 5: Solve for x
    x = 1,284,338,455.45/45,250.74
  6. Step 6: Final answer
    x = 28,382.71

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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.