Home / 34,278.82-47,297.09-21,696.26

Finding the Fourth Proportional to 34,278.82, 47,297.09 and 21,696.26

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Solution

The fourth proportional to 34,278.82, 47,297.09 and 21,696.26 is: 29,935.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,278.82 : 47,297.09 = 21,696.26 : x
  2. Step 2: Convert to fraction form
    34,278.82/47,297.09 = 21,696.26/x
  3. Step 3: Cross multiply
    34,278.82x = 47,297.09 × 21,696.26
  4. Step 4: Simplify right side
    34,278.82x = 1,026,169,961.88
  5. Step 5: Solve for x
    x = 1,026,169,961.88/34,278.82
  6. Step 6: Final answer
    x = 29,935.98

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1.5x scale

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.