Home / 47,310.21-70,884.98-28,550.82

Finding the Fourth Proportional to 47,310.21, 70,884.98 and 28,550.82

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Solution

The fourth proportional to 47,310.21, 70,884.98 and 28,550.82 is: 42,777.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,310.21 : 70,884.98 = 28,550.82 : x
  2. Step 2: Convert to fraction form
    47,310.21/70,884.98 = 28,550.82/x
  3. Step 3: Cross multiply
    47,310.21x = 70,884.98 × 28,550.82
  4. Step 4: Simplify right side
    47,310.21x = 2,023,824,339.14
  5. Step 5: Solve for x
    x = 2,023,824,339.14/47,310.21
  6. Step 6: Final answer
    x = 42,777.75

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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.