Home / 49,421.20-74,170.76-18,265.36

Finding the Fourth Proportional to 49,421.20, 74,170.76 and 18,265.36

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Solution

The fourth proportional to 49,421.20, 74,170.76 and 18,265.36 is: 27,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421.20 : 74,170.76 = 18,265.36 : x
  2. Step 2: Convert to fraction form
    49,421.20/74,170.76 = 18,265.36/x
  3. Step 3: Cross multiply
    49,421.20x = 74,170.76 × 18,265.36
  4. Step 4: Simplify right side
    49,421.20x = 1,354,755,632.87
  5. Step 5: Solve for x
    x = 1,354,755,632.87/49,421.20
  6. Step 6: Final answer
    x = 27,412.44

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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.