Home / 22,351.19-33,478.79-21,042.63

Finding the Fourth Proportional to 22,351.19, 33,478.79 and 21,042.63

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Solution

The fourth proportional to 22,351.19, 33,478.79 and 21,042.63 is: 31,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,351.19 : 33,478.79 = 21,042.63 : x
  2. Step 2: Convert to fraction form
    22,351.19/33,478.79 = 21,042.63/x
  3. Step 3: Cross multiply
    22,351.19x = 33,478.79 × 21,042.63
  4. Step 4: Simplify right side
    22,351.19x = 704,481,890.06
  5. Step 5: Solve for x
    x = 704,481,890.06/22,351.19
  6. Step 6: Final answer
    x = 31,518.77

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1.5x scale

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.