Home / 45,240.75-67,851.72-17,151.12

Finding the Fourth Proportional to 45,240.75, 67,851.72 and 17,151.12

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Solution

The fourth proportional to 45,240.75, 67,851.72 and 17,151.12 is: 25,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,240.75 : 67,851.72 = 17,151.12 : x
  2. Step 2: Convert to fraction form
    45,240.75/67,851.72 = 17,151.12/x
  3. Step 3: Cross multiply
    45,240.75x = 67,851.72 × 17,151.12
  4. Step 4: Simplify right side
    45,240.75x = 1,163,732,991.93
  5. Step 5: Solve for x
    x = 1,163,732,991.93/45,240.75
  6. Step 6: Final answer
    x = 25,723.11

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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.