Home / 63,411.20-95,109.60-16,668.80

Finding the Fourth Proportional to 63,411.20, 95,109.60 and 16,668.80

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Solution

The fourth proportional to 63,411.20, 95,109.60 and 16,668.80 is: 25,001.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,411.20 : 95,109.60 = 16,668.80 : x
  2. Step 2: Convert to fraction form
    63,411.20/95,109.60 = 16,668.80/x
  3. Step 3: Cross multiply
    63,411.20x = 95,109.60 × 16,668.80
  4. Step 4: Simplify right side
    63,411.20x = 1,585,362,900.48
  5. Step 5: Solve for x
    x = 1,585,362,900.48/63,411.20
  6. Step 6: Final answer
    x = 25,001.31

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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.