Home / 60,238.26-90,362.43-20,795.70

Finding the Fourth Proportional to 60,238.26, 90,362.43 and 20,795.70

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Solution

The fourth proportional to 60,238.26, 90,362.43 and 20,795.70 is: 31,195.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,238.26 : 90,362.43 = 20,795.70 : x
  2. Step 2: Convert to fraction form
    60,238.26/90,362.43 = 20,795.70/x
  3. Step 3: Cross multiply
    60,238.26x = 90,362.43 × 20,795.70
  4. Step 4: Simplify right side
    60,238.26x = 1,879,149,985.55
  5. Step 5: Solve for x
    x = 1,879,149,985.55/60,238.26
  6. Step 6: Final answer
    x = 31,195.29

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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.