Home / 38,653.51-57,966.57-18,387.88

Finding the Fourth Proportional to 38,653.51, 57,966.57 and 18,387.88

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Solution

The fourth proportional to 38,653.51, 57,966.57 and 18,387.88 is: 27,575.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,653.51 : 57,966.57 = 18,387.88 : x
  2. Step 2: Convert to fraction form
    38,653.51/57,966.57 = 18,387.88/x
  3. Step 3: Cross multiply
    38,653.51x = 57,966.57 × 18,387.88
  4. Step 4: Simplify right side
    38,653.51x = 1,065,882,333.17
  5. Step 5: Solve for x
    x = 1,065,882,333.17/38,653.51
  6. Step 6: Final answer
    x = 27,575.31

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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.