Home / 60,508.51-90,771.41-18,958.75

Finding the Fourth Proportional to 60,508.51, 90,771.41 and 18,958.75

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Solution

The fourth proportional to 60,508.51, 90,771.41 and 18,958.75 is: 28,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,508.51 : 90,771.41 = 18,958.75 : x
  2. Step 2: Convert to fraction form
    60,508.51/90,771.41 = 18,958.75/x
  3. Step 3: Cross multiply
    60,508.51x = 90,771.41 × 18,958.75
  4. Step 4: Simplify right side
    60,508.51x = 1,720,912,374.54
  5. Step 5: Solve for x
    x = 1,720,912,374.54/60,508.51
  6. Step 6: Final answer
    x = 28,440.83

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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.