Home / 29,721.66-41,008.59-21,245.82

Finding the Fourth Proportional to 29,721.66, 41,008.59 and 21,245.82

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Solution

The fourth proportional to 29,721.66, 41,008.59 and 21,245.82 is: 29,314.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,721.66 : 41,008.59 = 21,245.82 : x
  2. Step 2: Convert to fraction form
    29,721.66/41,008.59 = 21,245.82/x
  3. Step 3: Cross multiply
    29,721.66x = 41,008.59 × 21,245.82
  4. Step 4: Simplify right side
    29,721.66x = 871,261,121.59
  5. Step 5: Solve for x
    x = 871,261,121.59/29,721.66
  6. Step 6: Final answer
    x = 29,314.01

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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.