Home / 34,398.33-47,449.57-21,631.30

Finding the Fourth Proportional to 34,398.33, 47,449.57 and 21,631.30

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Solution

The fourth proportional to 34,398.33, 47,449.57 and 21,631.30 is: 29,838.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,398.33 : 47,449.57 = 21,631.30 : x
  2. Step 2: Convert to fraction form
    34,398.33/47,449.57 = 21,631.30/x
  3. Step 3: Cross multiply
    34,398.33x = 47,449.57 × 21,631.30
  4. Step 4: Simplify right side
    34,398.33x = 1,026,395,883.54
  5. Step 5: Solve for x
    x = 1,026,395,883.54/34,398.33
  6. Step 6: Final answer
    x = 29,838.54

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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.