Home / 60,772.96-91,170.14-20,782.54

Finding the Fourth Proportional to 60,772.96, 91,170.14 and 20,782.54

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Solution

The fourth proportional to 60,772.96, 91,170.14 and 20,782.54 is: 31,177.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,772.96 : 91,170.14 = 20,782.54 : x
  2. Step 2: Convert to fraction form
    60,772.96/91,170.14 = 20,782.54/x
  3. Step 3: Cross multiply
    60,772.96x = 91,170.14 × 20,782.54
  4. Step 4: Simplify right side
    60,772.96x = 1,894,747,081.36
  5. Step 5: Solve for x
    x = 1,894,747,081.36/60,772.96
  6. Step 6: Final answer
    x = 31,177.47

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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.