Home / 39,805.17-54,932.48-21,900.93

Finding the Fourth Proportional to 39,805.17, 54,932.48 and 21,900.93

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Solution

The fourth proportional to 39,805.17, 54,932.48 and 21,900.93 is: 30,224.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,805.17 : 54,932.48 = 21,900.93 : x
  2. Step 2: Convert to fraction form
    39,805.17/54,932.48 = 21,900.93/x
  3. Step 3: Cross multiply
    39,805.17x = 54,932.48 × 21,900.93
  4. Step 4: Simplify right side
    39,805.17x = 1,203,072,399.21
  5. Step 5: Solve for x
    x = 1,203,072,399.21/39,805.17
  6. Step 6: Final answer
    x = 30,224.02

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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.