Home / 63,072.80-87,039.04-34,778.56

Finding the Fourth Proportional to 63,072.80, 87,039.04 and 34,778.56

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Solution

The fourth proportional to 63,072.80, 87,039.04 and 34,778.56 is: 47,993.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,072.80 : 87,039.04 = 34,778.56 : x
  2. Step 2: Convert to fraction form
    63,072.80/87,039.04 = 34,778.56/x
  3. Step 3: Cross multiply
    63,072.80x = 87,039.04 × 34,778.56
  4. Step 4: Simplify right side
    63,072.80x = 3,027,092,474.98
  5. Step 5: Solve for x
    x = 3,027,092,474.98/63,072.80
  6. Step 6: Final answer
    x = 47,993.63

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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.