Home / 19,935.02-29,921.06-10,081.37

Finding the Fourth Proportional to 19,935.02, 29,921.06 and 10,081.37

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Solution

The fourth proportional to 19,935.02, 29,921.06 and 10,081.37 is: 15,131.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,935.02 : 29,921.06 = 10,081.37 : x
  2. Step 2: Convert to fraction form
    19,935.02/29,921.06 = 10,081.37/x
  3. Step 3: Cross multiply
    19,935.02x = 29,921.06 × 10,081.37
  4. Step 4: Simplify right side
    19,935.02x = 301,645,376.66
  5. Step 5: Solve for x
    x = 301,645,376.66/19,935.02
  6. Step 6: Final answer
    x = 15,131.43

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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.