Home / 54,069.08-81,121.01-25,991.18

Finding the Fourth Proportional to 54,069.08, 81,121.01 and 25,991.18

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Solution

The fourth proportional to 54,069.08, 81,121.01 and 25,991.18 is: 38,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,069.08 : 81,121.01 = 25,991.18 : x
  2. Step 2: Convert to fraction form
    54,069.08/81,121.01 = 25,991.18/x
  3. Step 3: Cross multiply
    54,069.08x = 81,121.01 × 25,991.18
  4. Step 4: Simplify right side
    54,069.08x = 2,108,430,772.69
  5. Step 5: Solve for x
    x = 2,108,430,772.69/54,069.08
  6. Step 6: Final answer
    x = 38,995.13

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1.5x scale

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.