Home / 39,560.79-54,593.96-21,656.94

Finding the Fourth Proportional to 39,560.79, 54,593.96 and 21,656.94

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Solution

The fourth proportional to 39,560.79, 54,593.96 and 21,656.94 is: 29,886.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.79 : 54,593.96 = 21,656.94 : x
  2. Step 2: Convert to fraction form
    39,560.79/54,593.96 = 21,656.94/x
  3. Step 3: Cross multiply
    39,560.79x = 54,593.96 × 21,656.94
  4. Step 4: Simplify right side
    39,560.79x = 1,182,338,007.80
  5. Step 5: Solve for x
    x = 1,182,338,007.80/39,560.79
  6. Step 6: Final answer
    x = 29,886.61

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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.