Home / 51,147.84-76,619.16-40,635.12

Finding the Fourth Proportional to 51,147.84, 76,619.16 and 40,635.12

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Solution

The fourth proportional to 51,147.84, 76,619.16 and 40,635.12 is: 60,871.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,147.84 : 76,619.16 = 40,635.12 : x
  2. Step 2: Convert to fraction form
    51,147.84/76,619.16 = 40,635.12/x
  3. Step 3: Cross multiply
    51,147.84x = 76,619.16 × 40,635.12
  4. Step 4: Simplify right side
    51,147.84x = 3,113,428,760.90
  5. Step 5: Solve for x
    x = 3,113,428,760.90/51,147.84
  6. Step 6: Final answer
    x = 60,871.17

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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.