Home / 71,022.33-98,007.93-39,190.80

Finding the Fourth Proportional to 71,022.33, 98,007.93 and 39,190.80

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Solution

The fourth proportional to 71,022.33, 98,007.93 and 39,190.80 is: 54,081.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,022.33 : 98,007.93 = 39,190.80 : x
  2. Step 2: Convert to fraction form
    71,022.33/98,007.93 = 39,190.80/x
  3. Step 3: Cross multiply
    71,022.33x = 98,007.93 × 39,190.80
  4. Step 4: Simplify right side
    71,022.33x = 3,841,009,183.04
  5. Step 5: Solve for x
    x = 3,841,009,183.04/71,022.33
  6. Step 6: Final answer
    x = 54,081.71

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1.5x scale

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.