Home / 64,698.11-89,281.31-36,016.83

Finding the Fourth Proportional to 64,698.11, 89,281.31 and 36,016.83

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Solution

The fourth proportional to 64,698.11, 89,281.31 and 36,016.83 is: 49,702.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,698.11 : 89,281.31 = 36,016.83 : x
  2. Step 2: Convert to fraction form
    64,698.11/89,281.31 = 36,016.83/x
  3. Step 3: Cross multiply
    64,698.11x = 89,281.31 × 36,016.83
  4. Step 4: Simplify right side
    64,698.11x = 3,215,629,584.36
  5. Step 5: Solve for x
    x = 3,215,629,584.36/64,698.11
  6. Step 6: Final answer
    x = 49,702.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.