Home / 39,608.73-54,660.04-21,704.42

Finding the Fourth Proportional to 39,608.73, 54,660.04 and 21,704.42

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Solution

The fourth proportional to 39,608.73, 54,660.04 and 21,704.42 is: 29,952.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,608.73 : 54,660.04 = 21,704.42 : x
  2. Step 2: Convert to fraction form
    39,608.73/54,660.04 = 21,704.42/x
  3. Step 3: Cross multiply
    39,608.73x = 54,660.04 × 21,704.42
  4. Step 4: Simplify right side
    39,608.73x = 1,186,364,547.77
  5. Step 5: Solve for x
    x = 1,186,364,547.77/39,608.73
  6. Step 6: Final answer
    x = 29,952.10

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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.