Home / 45,256.50-67,884.87-14,091.78

Finding the Fourth Proportional to 45,256.50, 67,884.87 and 14,091.78

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Solution

The fourth proportional to 45,256.50, 67,884.87 and 14,091.78 is: 21,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,256.50 : 67,884.87 = 14,091.78 : x
  2. Step 2: Convert to fraction form
    45,256.50/67,884.87 = 14,091.78/x
  3. Step 3: Cross multiply
    45,256.50x = 67,884.87 × 14,091.78
  4. Step 4: Simplify right side
    45,256.50x = 956,618,653.37
  5. Step 5: Solve for x
    x = 956,618,653.37/45,256.50
  6. Step 6: Final answer
    x = 21,137.71

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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.