Home / 58,163.28-87,261.99-18,719.38

Finding the Fourth Proportional to 58,163.28, 87,261.99 and 18,719.38

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Solution

The fourth proportional to 58,163.28, 87,261.99 and 18,719.38 is: 28,084.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,163.28 : 87,261.99 = 18,719.38 : x
  2. Step 2: Convert to fraction form
    58,163.28/87,261.99 = 18,719.38/x
  3. Step 3: Cross multiply
    58,163.28x = 87,261.99 × 18,719.38
  4. Step 4: Simplify right side
    58,163.28x = 1,633,490,350.37
  5. Step 5: Solve for x
    x = 1,633,490,350.37/58,163.28
  6. Step 6: Final answer
    x = 28,084.56

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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.