Home / 71,022.42-98,010-39,190.50

Finding the Fourth Proportional to 71,022.42, 98,010 and 39,190.50

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Solution

The fourth proportional to 71,022.42, 98,010 and 39,190.50 is: 54,082.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.42 : 98,010 = 39,190.50 : x
  2. Step 2: Convert to fraction form
    71,022.42/98,010 = 39,190.50/x
  3. Step 3: Cross multiply
    71,022.42x = 98,010 × 39,190.50
  4. Step 4: Simplify right side
    71,022.42x = 3,841,060,905
  5. Step 5: Solve for x
    x = 3,841,060,905/71,022.42
  6. Step 6: Final answer
    x = 54,082.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.