Home / 55,812.42-83,668.08-20,265.48

Finding the Fourth Proportional to 55,812.42, 83,668.08 and 20,265.48

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Solution

The fourth proportional to 55,812.42, 83,668.08 and 20,265.48 is: 30,379.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,812.42 : 83,668.08 = 20,265.48 : x
  2. Step 2: Convert to fraction form
    55,812.42/83,668.08 = 20,265.48/x
  3. Step 3: Cross multiply
    55,812.42x = 83,668.08 × 20,265.48
  4. Step 4: Simplify right side
    55,812.42x = 1,695,573,801.88
  5. Step 5: Solve for x
    x = 1,695,573,801.88/55,812.42
  6. Step 6: Final answer
    x = 30,379.87

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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.