Home / 34,278-47,324.06-21,541.96

Finding the Fourth Proportional to 34,278, 47,324.06 and 21,541.96

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Solution

The fourth proportional to 34,278, 47,324.06 and 21,541.96 is: 29,740.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278 : 47,324.06 = 21,541.96 : x
  2. Step 2: Convert to fraction form
    34,278/47,324.06 = 21,541.96/x
  3. Step 3: Cross multiply
    34,278x = 47,324.06 × 21,541.96
  4. Step 4: Simplify right side
    34,278x = 1,019,453,007.56
  5. Step 5: Solve for x
    x = 1,019,453,007.56/34,278
  6. Step 6: Final answer
    x = 29,740.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.