Home / 51,741.80-77,667-45,856.34

Finding the Fourth Proportional to 51,741.80, 77,667 and 45,856.34

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Solution

The fourth proportional to 51,741.80, 77,667 and 45,856.34 is: 68,832.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,741.80 : 77,667 = 45,856.34 : x
  2. Step 2: Convert to fraction form
    51,741.80/77,667 = 45,856.34/x
  3. Step 3: Cross multiply
    51,741.80x = 77,667 × 45,856.34
  4. Step 4: Simplify right side
    51,741.80x = 3,561,524,358.78
  5. Step 5: Solve for x
    x = 3,561,524,358.78/51,741.80
  6. Step 6: Final answer
    x = 68,832.63

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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.