Home / 54,642.59-81,942.28-26,554.32

Finding the Fourth Proportional to 54,642.59, 81,942.28 and 26,554.32

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Solution

The fourth proportional to 54,642.59, 81,942.28 and 26,554.32 is: 39,820.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,642.59 : 81,942.28 = 26,554.32 : x
  2. Step 2: Convert to fraction form
    54,642.59/81,942.28 = 26,554.32/x
  3. Step 3: Cross multiply
    54,642.59x = 81,942.28 × 26,554.32
  4. Step 4: Simplify right side
    54,642.59x = 2,175,921,524.65
  5. Step 5: Solve for x
    x = 2,175,921,524.65/54,642.59
  6. Step 6: Final answer
    x = 39,820.98

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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.