Home / 40,267.92-60,410.64-12,187.44

Finding the Fourth Proportional to 40,267.92, 60,410.64 and 12,187.44

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Solution

The fourth proportional to 40,267.92, 60,410.64 and 12,187.44 is: 18,283.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,267.92 : 60,410.64 = 12,187.44 : x
  2. Step 2: Convert to fraction form
    40,267.92/60,410.64 = 12,187.44/x
  3. Step 3: Cross multiply
    40,267.92x = 60,410.64 × 12,187.44
  4. Step 4: Simplify right side
    40,267.92x = 736,251,050.36
  5. Step 5: Solve for x
    x = 736,251,050.36/40,267.92
  6. Step 6: Final answer
    x = 18,283.81

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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.