Home / 54,438.08-81,680.16-22,855.20

Finding the Fourth Proportional to 54,438.08, 81,680.16 and 22,855.20

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Solution

The fourth proportional to 54,438.08, 81,680.16 and 22,855.20 is: 34,292.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,438.08 : 81,680.16 = 22,855.20 : x
  2. Step 2: Convert to fraction form
    54,438.08/81,680.16 = 22,855.20/x
  3. Step 3: Cross multiply
    54,438.08x = 81,680.16 × 22,855.20
  4. Step 4: Simplify right side
    54,438.08x = 1,866,816,392.83
  5. Step 5: Solve for x
    x = 1,866,816,392.83/54,438.08
  6. Step 6: Final answer
    x = 34,292.47

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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.