Home / 63,550.05-87,662.63-39,635.21

Finding the Fourth Proportional to 63,550.05, 87,662.63 and 39,635.21

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Solution

The fourth proportional to 63,550.05, 87,662.63 and 39,635.21 is: 54,673.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550.05 : 87,662.63 = 39,635.21 : x
  2. Step 2: Convert to fraction form
    63,550.05/87,662.63 = 39,635.21/x
  3. Step 3: Cross multiply
    63,550.05x = 87,662.63 × 39,635.21
  4. Step 4: Simplify right side
    63,550.05x = 3,474,526,409.98
  5. Step 5: Solve for x
    x = 3,474,526,409.98/63,550.05
  6. Step 6: Final answer
    x = 54,673.86

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1.5x scale

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.