Home / 60,202.26-90,321.21-20,763.36

Finding the Fourth Proportional to 60,202.26, 90,321.21 and 20,763.36

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Solution

The fourth proportional to 60,202.26, 90,321.21 and 20,763.36 is: 31,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,202.26 : 90,321.21 = 20,763.36 : x
  2. Step 2: Convert to fraction form
    60,202.26/90,321.21 = 20,763.36/x
  3. Step 3: Cross multiply
    60,202.26x = 90,321.21 × 20,763.36
  4. Step 4: Simplify right side
    60,202.26x = 1,875,371,798.87
  5. Step 5: Solve for x
    x = 1,875,371,798.87/60,202.26
  6. Step 6: Final answer
    x = 31,151.19

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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.