Home / 69,821.19-96,350.38-37,990.10

Finding the Fourth Proportional to 69,821.19, 96,350.38 and 37,990.10

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Solution

The fourth proportional to 69,821.19, 96,350.38 and 37,990.10 is: 52,424.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,821.19 : 96,350.38 = 37,990.10 : x
  2. Step 2: Convert to fraction form
    69,821.19/96,350.38 = 37,990.10/x
  3. Step 3: Cross multiply
    69,821.19x = 96,350.38 × 37,990.10
  4. Step 4: Simplify right side
    69,821.19x = 3,660,360,717.14
  5. Step 5: Solve for x
    x = 3,660,360,717.14/69,821.19
  6. Step 6: Final answer
    x = 52,424.78

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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.