Home / 63,380.45-87,524.29-40,758.73

Finding the Fourth Proportional to 63,380.45, 87,524.29 and 40,758.73

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Solution

The fourth proportional to 63,380.45, 87,524.29 and 40,758.73 is: 56,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,380.45 : 87,524.29 = 40,758.73 : x
  2. Step 2: Convert to fraction form
    63,380.45/87,524.29 = 40,758.73/x
  3. Step 3: Cross multiply
    63,380.45x = 87,524.29 × 40,758.73
  4. Step 4: Simplify right side
    63,380.45x = 3,567,378,736.69
  5. Step 5: Solve for x
    x = 3,567,378,736.69/63,380.45
  6. Step 6: Final answer
    x = 56,285.16

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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.