Home / 38,238.98-57,356.96-13,284.72

Finding the Fourth Proportional to 38,238.98, 57,356.96 and 13,284.72

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Solution

The fourth proportional to 38,238.98, 57,356.96 and 13,284.72 is: 19,926.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.98 : 57,356.96 = 13,284.72 : x
  2. Step 2: Convert to fraction form
    38,238.98/57,356.96 = 13,284.72/x
  3. Step 3: Cross multiply
    38,238.98x = 57,356.96 × 13,284.72
  4. Step 4: Simplify right side
    38,238.98x = 761,971,153.65
  5. Step 5: Solve for x
    x = 761,971,153.65/38,238.98
  6. Step 6: Final answer
    x = 19,926.56

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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.