Home / 45,320.79-67,981.21-17,234.36

Finding the Fourth Proportional to 45,320.79, 67,981.21 and 17,234.36

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Solution

The fourth proportional to 45,320.79, 67,981.21 and 17,234.36 is: 25,851.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,320.79 : 67,981.21 = 17,234.36 : x
  2. Step 2: Convert to fraction form
    45,320.79/67,981.21 = 17,234.36/x
  3. Step 3: Cross multiply
    45,320.79x = 67,981.21 × 17,234.36
  4. Step 4: Simplify right side
    45,320.79x = 1,171,612,646.38
  5. Step 5: Solve for x
    x = 1,171,612,646.38/45,320.79
  6. Step 6: Final answer
    x = 25,851.55

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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.