Home / 57,717.65-86,581.38-20,274.46

Finding the Fourth Proportional to 57,717.65, 86,581.38 and 20,274.46

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Solution

The fourth proportional to 57,717.65, 86,581.38 and 20,274.46 is: 30,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717.65 : 86,581.38 = 20,274.46 : x
  2. Step 2: Convert to fraction form
    57,717.65/86,581.38 = 20,274.46/x
  3. Step 3: Cross multiply
    57,717.65x = 86,581.38 × 20,274.46
  4. Step 4: Simplify right side
    57,717.65x = 1,755,390,725.55
  5. Step 5: Solve for x
    x = 1,755,390,725.55/57,717.65
  6. Step 6: Final answer
    x = 30,413.41

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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.