Home / 65,485.28-98,227.20-39,197.36

Finding the Fourth Proportional to 65,485.28, 98,227.20 and 39,197.36

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Solution

The fourth proportional to 65,485.28, 98,227.20 and 39,197.36 is: 58,795.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,485.28 : 98,227.20 = 39,197.36 : x
  2. Step 2: Convert to fraction form
    65,485.28/98,227.20 = 39,197.36/x
  3. Step 3: Cross multiply
    65,485.28x = 98,227.20 × 39,197.36
  4. Step 4: Simplify right side
    65,485.28x = 3,850,246,920.19
  5. Step 5: Solve for x
    x = 3,850,246,920.19/65,485.28
  6. Step 6: Final answer
    x = 58,795.61

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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.