Home / 47,736.65-71,595.74-45,365.81

Finding the Fourth Proportional to 47,736.65, 71,595.74 and 45,365.81

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Solution

The fourth proportional to 47,736.65, 71,595.74 and 45,365.81 is: 68,039.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,736.65 : 71,595.74 = 45,365.81 : x
  2. Step 2: Convert to fraction form
    47,736.65/71,595.74 = 45,365.81/x
  3. Step 3: Cross multiply
    47,736.65x = 71,595.74 × 45,365.81
  4. Step 4: Simplify right side
    47,736.65x = 3,247,998,493.09
  5. Step 5: Solve for x
    x = 3,247,998,493.09/47,736.65
  6. Step 6: Final answer
    x = 68,039.94

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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.