Home / 57,979.40-86,974.56-18,527.13

Finding the Fourth Proportional to 57,979.40, 86,974.56 and 18,527.13

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Solution

The fourth proportional to 57,979.40, 86,974.56 and 18,527.13 is: 27,792.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.40 : 86,974.56 = 18,527.13 : x
  2. Step 2: Convert to fraction form
    57,979.40/86,974.56 = 18,527.13/x
  3. Step 3: Cross multiply
    57,979.40x = 86,974.56 × 18,527.13
  4. Step 4: Simplify right side
    57,979.40x = 1,611,388,979.81
  5. Step 5: Solve for x
    x = 1,611,388,979.81/57,979.40
  6. Step 6: Final answer
    x = 27,792.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.