Home / 43,385.41-65,102.62-20,011.85

Finding the Fourth Proportional to 43,385.41, 65,102.62 and 20,011.85

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Solution

The fourth proportional to 43,385.41, 65,102.62 and 20,011.85 is: 30,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,385.41 : 65,102.62 = 20,011.85 : x
  2. Step 2: Convert to fraction form
    43,385.41/65,102.62 = 20,011.85/x
  3. Step 3: Cross multiply
    43,385.41x = 65,102.62 × 20,011.85
  4. Step 4: Simplify right side
    43,385.41x = 1,302,823,866.05
  5. Step 5: Solve for x
    x = 1,302,823,866.05/43,385.41
  6. Step 6: Final answer
    x = 30,029.08

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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.