Home / 43,196.48-64,769.20-16,870.40

Finding the Fourth Proportional to 43,196.48, 64,769.20 and 16,870.40

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Solution

The fourth proportional to 43,196.48, 64,769.20 and 16,870.40 is: 25,295.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,196.48 : 64,769.20 = 16,870.40 : x
  2. Step 2: Convert to fraction form
    43,196.48/64,769.20 = 16,870.40/x
  3. Step 3: Cross multiply
    43,196.48x = 64,769.20 × 16,870.40
  4. Step 4: Simplify right side
    43,196.48x = 1,092,682,311.68
  5. Step 5: Solve for x
    x = 1,092,682,311.68/43,196.48
  6. Step 6: Final answer
    x = 25,295.63

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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.