Home / 47,309.58-70,884.04-28,550.20

Finding the Fourth Proportional to 47,309.58, 70,884.04 and 28,550.20

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Solution

The fourth proportional to 47,309.58, 70,884.04 and 28,550.20 is: 42,776.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,309.58 : 70,884.04 = 28,550.20 : x
  2. Step 2: Convert to fraction form
    47,309.58/70,884.04 = 28,550.20/x
  3. Step 3: Cross multiply
    47,309.58x = 70,884.04 × 28,550.20
  4. Step 4: Simplify right side
    47,309.58x = 2,023,753,270.22
  5. Step 5: Solve for x
    x = 2,023,753,270.22/47,309.58
  6. Step 6: Final answer
    x = 42,776.82

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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.