Home / 42,408.96-63,610.20-16,119.60

Finding the Fourth Proportional to 42,408.96, 63,610.20 and 16,119.60

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Solution

The fourth proportional to 42,408.96, 63,610.20 and 16,119.60 is: 24,178.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,408.96 : 63,610.20 = 16,119.60 : x
  2. Step 2: Convert to fraction form
    42,408.96/63,610.20 = 16,119.60/x
  3. Step 3: Cross multiply
    42,408.96x = 63,610.20 × 16,119.60
  4. Step 4: Simplify right side
    42,408.96x = 1,025,370,979.92
  5. Step 5: Solve for x
    x = 1,025,370,979.92/42,408.96
  6. Step 6: Final answer
    x = 24,178.17

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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.