Home / 63,550.80-87,663.67-39,635.96

Finding the Fourth Proportional to 63,550.80, 87,663.67 and 39,635.96

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Solution

The fourth proportional to 63,550.80, 87,663.67 and 39,635.96 is: 54,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550.80 : 87,663.67 = 39,635.96 : x
  2. Step 2: Convert to fraction form
    63,550.80/87,663.67 = 39,635.96/x
  3. Step 3: Cross multiply
    63,550.80x = 87,663.67 × 39,635.96
  4. Step 4: Simplify right side
    63,550.80x = 3,474,633,081.08
  5. Step 5: Solve for x
    x = 3,474,633,081.08/63,550.80
  6. Step 6: Final answer
    x = 54,674.89

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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.