Home / 64,237.20-96,352.20-19,863.60

Finding the Fourth Proportional to 64,237.20, 96,352.20 and 19,863.60

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Solution

The fourth proportional to 64,237.20, 96,352.20 and 19,863.60 is: 29,794.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,237.20 : 96,352.20 = 19,863.60 : x
  2. Step 2: Convert to fraction form
    64,237.20/96,352.20 = 19,863.60/x
  3. Step 3: Cross multiply
    64,237.20x = 96,352.20 × 19,863.60
  4. Step 4: Simplify right side
    64,237.20x = 1,913,901,559.92
  5. Step 5: Solve for x
    x = 1,913,901,559.92/64,237.20
  6. Step 6: Final answer
    x = 29,794.29

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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.