Home / 51,241.16-76,352.33-45,651.56

Finding the Fourth Proportional to 51,241.16, 76,352.33 and 45,651.56

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Solution

The fourth proportional to 51,241.16, 76,352.33 and 45,651.56 is: 68,023.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,241.16 : 76,352.33 = 45,651.56 : x
  2. Step 2: Convert to fraction form
    51,241.16/76,352.33 = 45,651.56/x
  3. Step 3: Cross multiply
    51,241.16x = 76,352.33 × 45,651.56
  4. Step 4: Simplify right side
    51,241.16x = 3,485,602,706.50
  5. Step 5: Solve for x
    x = 3,485,602,706.50/51,241.16
  6. Step 6: Final answer
    x = 68,023.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.