Home / 47,613.87-71,346.83-18,015.66

Finding the Fourth Proportional to 47,613.87, 71,346.83 and 18,015.66

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Solution

The fourth proportional to 47,613.87, 71,346.83 and 18,015.66 is: 26,995.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,613.87 : 71,346.83 = 18,015.66 : x
  2. Step 2: Convert to fraction form
    47,613.87/71,346.83 = 18,015.66/x
  3. Step 3: Cross multiply
    47,613.87x = 71,346.83 × 18,015.66
  4. Step 4: Simplify right side
    47,613.87x = 1,285,360,141.28
  5. Step 5: Solve for x
    x = 1,285,360,141.28/47,613.87
  6. Step 6: Final answer
    x = 26,995.50

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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.