Home / 63,187.12-87,198.40-34,507.04

Finding the Fourth Proportional to 63,187.12, 87,198.40 and 34,507.04

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Solution

The fourth proportional to 63,187.12, 87,198.40 and 34,507.04 is: 47,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,187.12 : 87,198.40 = 34,507.04 : x
  2. Step 2: Convert to fraction form
    63,187.12/87,198.40 = 34,507.04/x
  3. Step 3: Cross multiply
    63,187.12x = 87,198.40 × 34,507.04
  4. Step 4: Simplify right side
    63,187.12x = 3,008,958,676.74
  5. Step 5: Solve for x
    x = 3,008,958,676.74/63,187.12
  6. Step 6: Final answer
    x = 47,619.81

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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.