Home / 40,160.56-60,158.76-18,782.68

Finding the Fourth Proportional to 40,160.56, 60,158.76 and 18,782.68

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Solution

The fourth proportional to 40,160.56, 60,158.76 and 18,782.68 is: 28,135.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,160.56 : 60,158.76 = 18,782.68 : x
  2. Step 2: Convert to fraction form
    40,160.56/60,158.76 = 18,782.68/x
  3. Step 3: Cross multiply
    40,160.56x = 60,158.76 × 18,782.68
  4. Step 4: Simplify right side
    40,160.56x = 1,129,942,738.28
  5. Step 5: Solve for x
    x = 1,129,942,738.28/40,160.56
  6. Step 6: Final answer
    x = 28,135.63

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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.