Home / 35,912.01-53,736.79-21,127.89

Finding the Fourth Proportional to 35,912.01, 53,736.79 and 21,127.89

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Solution

The fourth proportional to 35,912.01, 53,736.79 and 21,127.89 is: 31,614.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,912.01 : 53,736.79 = 21,127.89 : x
  2. Step 2: Convert to fraction form
    35,912.01/53,736.79 = 21,127.89/x
  3. Step 3: Cross multiply
    35,912.01x = 53,736.79 × 21,127.89
  4. Step 4: Simplify right side
    35,912.01x = 1,135,344,988.07
  5. Step 5: Solve for x
    x = 1,135,344,988.07/35,912.01
  6. Step 6: Final answer
    x = 31,614.63

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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.