Home / 40,518.97-60,777.96-10,530.55

Finding the Fourth Proportional to 40,518.97, 60,777.96 and 10,530.55

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Solution

The fourth proportional to 40,518.97, 60,777.96 and 10,530.55 is: 15,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,518.97 : 60,777.96 = 10,530.55 : x
  2. Step 2: Convert to fraction form
    40,518.97/60,777.96 = 10,530.55/x
  3. Step 3: Cross multiply
    40,518.97x = 60,777.96 × 10,530.55
  4. Step 4: Simplify right side
    40,518.97x = 640,025,042.79
  5. Step 5: Solve for x
    x = 640,025,042.79/40,518.97
  6. Step 6: Final answer
    x = 15,795.69

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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.