Home / 63,228.42-87,249.83-39,357.32

Finding the Fourth Proportional to 63,228.42, 87,249.83 and 39,357.32

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Solution

The fourth proportional to 63,228.42, 87,249.83 and 39,357.32 is: 54,309.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,228.42 : 87,249.83 = 39,357.32 : x
  2. Step 2: Convert to fraction form
    63,228.42/87,249.83 = 39,357.32/x
  3. Step 3: Cross multiply
    63,228.42x = 87,249.83 × 39,357.32
  4. Step 4: Simplify right side
    63,228.42x = 3,433,918,846.22
  5. Step 5: Solve for x
    x = 3,433,918,846.22/63,228.42
  6. Step 6: Final answer
    x = 54,309.74

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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.