Home / 39,462.84-54,462.47-21,560.54

Finding the Fourth Proportional to 39,462.84, 54,462.47 and 21,560.54

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Solution

The fourth proportional to 39,462.84, 54,462.47 and 21,560.54 is: 29,755.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,462.84 : 54,462.47 = 21,560.54 : x
  2. Step 2: Convert to fraction form
    39,462.84/54,462.47 = 21,560.54/x
  3. Step 3: Cross multiply
    39,462.84x = 54,462.47 × 21,560.54
  4. Step 4: Simplify right side
    39,462.84x = 1,174,239,882.82
  5. Step 5: Solve for x
    x = 1,174,239,882.82/39,462.84
  6. Step 6: Final answer
    x = 29,755.58

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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.