Home / 36,133.67-49,864.52-20,218.43

Finding the Fourth Proportional to 36,133.67, 49,864.52 and 20,218.43

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Solution

The fourth proportional to 36,133.67, 49,864.52 and 20,218.43 is: 27,901.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,133.67 : 49,864.52 = 20,218.43 : x
  2. Step 2: Convert to fraction form
    36,133.67/49,864.52 = 20,218.43/x
  3. Step 3: Cross multiply
    36,133.67x = 49,864.52 × 20,218.43
  4. Step 4: Simplify right side
    36,133.67x = 1,008,182,307.10
  5. Step 5: Solve for x
    x = 1,008,182,307.10/36,133.67
  6. Step 6: Final answer
    x = 27,901.46

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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.