Home / 51,385.96-77,086.05-15,850.07

Finding the Fourth Proportional to 51,385.96, 77,086.05 and 15,850.07

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Solution

The fourth proportional to 51,385.96, 77,086.05 and 15,850.07 is: 23,777.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,385.96 : 77,086.05 = 15,850.07 : x
  2. Step 2: Convert to fraction form
    51,385.96/77,086.05 = 15,850.07/x
  3. Step 3: Cross multiply
    51,385.96x = 77,086.05 × 15,850.07
  4. Step 4: Simplify right side
    51,385.96x = 1,221,819,167.17
  5. Step 5: Solve for x
    x = 1,221,819,167.17/51,385.96
  6. Step 6: Final answer
    x = 23,777.30

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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.