Home / 54,205.16-81,240.06-26,120.04

Finding the Fourth Proportional to 54,205.16, 81,240.06 and 26,120.04

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Solution

The fourth proportional to 54,205.16, 81,240.06 and 26,120.04 is: 39,147.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,205.16 : 81,240.06 = 26,120.04 : x
  2. Step 2: Convert to fraction form
    54,205.16/81,240.06 = 26,120.04/x
  3. Step 3: Cross multiply
    54,205.16x = 81,240.06 × 26,120.04
  4. Step 4: Simplify right side
    54,205.16x = 2,121,993,616.80
  5. Step 5: Solve for x
    x = 2,121,993,616.80/54,205.16
  6. Step 6: Final answer
    x = 39,147.45

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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.