Home / 34,338.67-51,424.17-21,172.93

Finding the Fourth Proportional to 34,338.67, 51,424.17 and 21,172.93

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Solution

The fourth proportional to 34,338.67, 51,424.17 and 21,172.93 is: 31,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,338.67 : 51,424.17 = 21,172.93 : x
  2. Step 2: Convert to fraction form
    34,338.67/51,424.17 = 21,172.93/x
  3. Step 3: Cross multiply
    34,338.67x = 51,424.17 × 21,172.93
  4. Step 4: Simplify right side
    34,338.67x = 1,088,800,351.72
  5. Step 5: Solve for x
    x = 1,088,800,351.72/34,338.67
  6. Step 6: Final answer
    x = 31,707.70

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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.