Home / 40,178.88-60,190.56-30,899.52

Finding the Fourth Proportional to 40,178.88, 60,190.56 and 30,899.52

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Solution

The fourth proportional to 40,178.88, 60,190.56 and 30,899.52 is: 46,289.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,178.88 : 60,190.56 = 30,899.52 : x
  2. Step 2: Convert to fraction form
    40,178.88/60,190.56 = 30,899.52/x
  3. Step 3: Cross multiply
    40,178.88x = 60,190.56 × 30,899.52
  4. Step 4: Simplify right side
    40,178.88x = 1,859,859,412.53
  5. Step 5: Solve for x
    x = 1,859,859,412.53/40,178.88
  6. Step 6: Final answer
    x = 46,289.48

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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.