Home / 60,272.46-90,430.38-20,833.56

Finding the Fourth Proportional to 60,272.46, 90,430.38 and 20,833.56

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Solution

The fourth proportional to 60,272.46, 90,430.38 and 20,833.56 is: 31,257.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,272.46 : 90,430.38 = 20,833.56 : x
  2. Step 2: Convert to fraction form
    60,272.46/90,430.38 = 20,833.56/x
  3. Step 3: Cross multiply
    60,272.46x = 90,430.38 × 20,833.56
  4. Step 4: Simplify right side
    60,272.46x = 1,883,986,747.55
  5. Step 5: Solve for x
    x = 1,883,986,747.55/60,272.46
  6. Step 6: Final answer
    x = 31,257.84

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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.