Home / 47,253.12-70,879.20-20,950.56

Finding the Fourth Proportional to 47,253.12, 70,879.20 and 20,950.56

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Solution

The fourth proportional to 47,253.12, 70,879.20 and 20,950.56 is: 31,425.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,253.12 : 70,879.20 = 20,950.56 : x
  2. Step 2: Convert to fraction form
    47,253.12/70,879.20 = 20,950.56/x
  3. Step 3: Cross multiply
    47,253.12x = 70,879.20 × 20,950.56
  4. Step 4: Simplify right side
    47,253.12x = 1,484,958,932.35
  5. Step 5: Solve for x
    x = 1,484,958,932.35/47,253.12
  6. Step 6: Final answer
    x = 31,425.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.