Home / 29,752.50-41,112.78-21,672.09

Finding the Fourth Proportional to 29,752.50, 41,112.78 and 21,672.09

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Solution

The fourth proportional to 29,752.50, 41,112.78 and 21,672.09 is: 29,947.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,752.50 : 41,112.78 = 21,672.09 : x
  2. Step 2: Convert to fraction form
    29,752.50/41,112.78 = 21,672.09/x
  3. Step 3: Cross multiply
    29,752.50x = 41,112.78 × 21,672.09
  4. Step 4: Simplify right side
    29,752.50x = 890,999,868.31
  5. Step 5: Solve for x
    x = 890,999,868.31/29,752.50
  6. Step 6: Final answer
    x = 29,947.06

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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.