Home / 40,137.88-60,227.48-19,101.76

Finding the Fourth Proportional to 40,137.88, 60,227.48 and 19,101.76

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Solution

The fourth proportional to 40,137.88, 60,227.48 and 19,101.76 is: 28,662.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,137.88 : 60,227.48 = 19,101.76 : x
  2. Step 2: Convert to fraction form
    40,137.88/60,227.48 = 19,101.76/x
  3. Step 3: Cross multiply
    40,137.88x = 60,227.48 × 19,101.76
  4. Step 4: Simplify right side
    40,137.88x = 1,150,450,868.36
  5. Step 5: Solve for x
    x = 1,150,450,868.36/40,137.88
  6. Step 6: Final answer
    x = 28,662.47

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1.5x scale

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.