Home / 63,530.66-87,614.94-39,659.54

Finding the Fourth Proportional to 63,530.66, 87,614.94 and 39,659.54

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Solution

The fourth proportional to 63,530.66, 87,614.94 and 39,659.54 is: 54,694.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,530.66 : 87,614.94 = 39,659.54 : x
  2. Step 2: Convert to fraction form
    63,530.66/87,614.94 = 39,659.54/x
  3. Step 3: Cross multiply
    63,530.66x = 87,614.94 × 39,659.54
  4. Step 4: Simplify right side
    63,530.66x = 3,474,768,217.53
  5. Step 5: Solve for x
    x = 3,474,768,217.53/63,530.66
  6. Step 6: Final answer
    x = 54,694.35

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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.