Home / 40,742.87-61,207.83-28,762.56

Finding the Fourth Proportional to 40,742.87, 61,207.83 and 28,762.56

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Solution

The fourth proportional to 40,742.87, 61,207.83 and 28,762.56 is: 43,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,742.87 : 61,207.83 = 28,762.56 : x
  2. Step 2: Convert to fraction form
    40,742.87/61,207.83 = 28,762.56/x
  3. Step 3: Cross multiply
    40,742.87x = 61,207.83 × 28,762.56
  4. Step 4: Simplify right side
    40,742.87x = 1,760,493,882.84
  5. Step 5: Solve for x
    x = 1,760,493,882.84/40,742.87
  6. Step 6: Final answer
    x = 43,209.87

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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.