Home / 38,112.72-57,159.84-15,914.04

Finding the Fourth Proportional to 38,112.72, 57,159.84 and 15,914.04

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Solution

The fourth proportional to 38,112.72, 57,159.84 and 15,914.04 is: 23,867.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,112.72 : 57,159.84 = 15,914.04 : x
  2. Step 2: Convert to fraction form
    38,112.72/57,159.84 = 15,914.04/x
  3. Step 3: Cross multiply
    38,112.72x = 57,159.84 × 15,914.04
  4. Step 4: Simplify right side
    38,112.72x = 909,643,980.15
  5. Step 5: Solve for x
    x = 909,643,980.15/38,112.72
  6. Step 6: Final answer
    x = 23,867.20

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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.