Home / 63,415.20-87,512.94-35,120.86

Finding the Fourth Proportional to 63,415.20, 87,512.94 and 35,120.86

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Solution

The fourth proportional to 63,415.20, 87,512.94 and 35,120.86 is: 48,466.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,415.20 : 87,512.94 = 35,120.86 : x
  2. Step 2: Convert to fraction form
    63,415.20/87,512.94 = 35,120.86/x
  3. Step 3: Cross multiply
    63,415.20x = 87,512.94 × 35,120.86
  4. Step 4: Simplify right side
    63,415.20x = 3,073,529,713.93
  5. Step 5: Solve for x
    x = 3,073,529,713.93/63,415.20
  6. Step 6: Final answer
    x = 48,466.77

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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.