Home / 63,072.42-87,039.85-34,778.18

Finding the Fourth Proportional to 63,072.42, 87,039.85 and 34,778.18

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Solution

The fourth proportional to 63,072.42, 87,039.85 and 34,778.18 is: 47,993.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.42 : 87,039.85 = 34,778.18 : x
  2. Step 2: Convert to fraction form
    63,072.42/87,039.85 = 34,778.18/x
  3. Step 3: Cross multiply
    63,072.42x = 87,039.85 × 34,778.18
  4. Step 4: Simplify right side
    63,072.42x = 3,027,087,352.87
  5. Step 5: Solve for x
    x = 3,027,087,352.87/63,072.42
  6. Step 6: Final answer
    x = 47,993.83

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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.