Home / 63,138.36-87,127.92-36,261.96

Finding the Fourth Proportional to 63,138.36, 87,127.92 and 36,261.96

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Solution

The fourth proportional to 63,138.36, 87,127.92 and 36,261.96 is: 50,039.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,138.36 : 87,127.92 = 36,261.96 : x
  2. Step 2: Convert to fraction form
    63,138.36/87,127.92 = 36,261.96/x
  3. Step 3: Cross multiply
    63,138.36x = 87,127.92 × 36,261.96
  4. Step 4: Simplify right side
    63,138.36x = 3,159,429,149.92
  5. Step 5: Solve for x
    x = 3,159,429,149.92/63,138.36
  6. Step 6: Final answer
    x = 50,039.77

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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.