Home / 51,749.52-77,654.19-21,761.39

Finding the Fourth Proportional to 51,749.52, 77,654.19 and 21,761.39

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Solution

The fourth proportional to 51,749.52, 77,654.19 and 21,761.39 is: 32,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,749.52 : 77,654.19 = 21,761.39 : x
  2. Step 2: Convert to fraction form
    51,749.52/77,654.19 = 21,761.39/x
  3. Step 3: Cross multiply
    51,749.52x = 77,654.19 × 21,761.39
  4. Step 4: Simplify right side
    51,749.52x = 1,689,863,389.46
  5. Step 5: Solve for x
    x = 1,689,863,389.46/51,749.52
  6. Step 6: Final answer
    x = 32,654.67

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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.