Home / 38,047.96-57,071.52-11,749.72

Finding the Fourth Proportional to 38,047.96, 57,071.52 and 11,749.72

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Solution

The fourth proportional to 38,047.96, 57,071.52 and 11,749.72 is: 17,624.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,047.96 : 57,071.52 = 11,749.72 : x
  2. Step 2: Convert to fraction form
    38,047.96/57,071.52 = 11,749.72/x
  3. Step 3: Cross multiply
    38,047.96x = 57,071.52 × 11,749.72
  4. Step 4: Simplify right side
    38,047.96x = 670,574,379.97
  5. Step 5: Solve for x
    x = 670,574,379.97/38,047.96
  6. Step 6: Final answer
    x = 17,624.45

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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.