Home / 60,256.29-90,321.73-20,245.60

Finding the Fourth Proportional to 60,256.29, 90,321.73 and 20,245.60

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Solution

The fourth proportional to 60,256.29, 90,321.73 and 20,245.60 is: 30,347.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,256.29 : 90,321.73 = 20,245.60 : x
  2. Step 2: Convert to fraction form
    60,256.29/90,321.73 = 20,245.60/x
  3. Step 3: Cross multiply
    60,256.29x = 90,321.73 × 20,245.60
  4. Step 4: Simplify right side
    60,256.29x = 1,828,617,616.89
  5. Step 5: Solve for x
    x = 1,828,617,616.89/60,256.29
  6. Step 6: Final answer
    x = 30,347.33

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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.