Home / 60,220.82-90,283-28,615.02

Finding the Fourth Proportional to 60,220.82, 90,283 and 28,615.02

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Solution

The fourth proportional to 60,220.82, 90,283 and 28,615.02 is: 42,899.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,220.82 : 90,283 = 28,615.02 : x
  2. Step 2: Convert to fraction form
    60,220.82/90,283 = 28,615.02/x
  3. Step 3: Cross multiply
    60,220.82x = 90,283 × 28,615.02
  4. Step 4: Simplify right side
    60,220.82x = 2,583,449,850.66
  5. Step 5: Solve for x
    x = 2,583,449,850.66/60,220.82
  6. Step 6: Final answer
    x = 42,899.61

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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.