Home / 34,655.28-51,989.34-10,968.78

Finding the Fourth Proportional to 34,655.28, 51,989.34 and 10,968.78

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Solution

The fourth proportional to 34,655.28, 51,989.34 and 10,968.78 is: 16,455.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,655.28 : 51,989.34 = 10,968.78 : x
  2. Step 2: Convert to fraction form
    34,655.28/51,989.34 = 10,968.78/x
  3. Step 3: Cross multiply
    34,655.28x = 51,989.34 × 10,968.78
  4. Step 4: Simplify right side
    34,655.28x = 570,259,868.90
  5. Step 5: Solve for x
    x = 570,259,868.90/34,655.28
  6. Step 6: Final answer
    x = 16,455.21

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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.