Home / 45,256-67,884.12-14,091.28

Finding the Fourth Proportional to 45,256, 67,884.12 and 14,091.28

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Solution

The fourth proportional to 45,256, 67,884.12 and 14,091.28 is: 21,136.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,256 : 67,884.12 = 14,091.28 : x
  2. Step 2: Convert to fraction form
    45,256/67,884.12 = 14,091.28/x
  3. Step 3: Cross multiply
    45,256x = 67,884.12 × 14,091.28
  4. Step 4: Simplify right side
    45,256x = 956,574,142.47
  5. Step 5: Solve for x
    x = 956,574,142.47/45,256
  6. Step 6: Final answer
    x = 21,136.96

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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.