Home / 34,830.18-52,209.48-13,761.66

Finding the Fourth Proportional to 34,830.18, 52,209.48 and 13,761.66

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Solution

The fourth proportional to 34,830.18, 52,209.48 and 13,761.66 is: 20,628.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,830.18 : 52,209.48 = 13,761.66 : x
  2. Step 2: Convert to fraction form
    34,830.18/52,209.48 = 13,761.66/x
  3. Step 3: Cross multiply
    34,830.18x = 52,209.48 × 13,761.66
  4. Step 4: Simplify right side
    34,830.18x = 718,489,112.54
  5. Step 5: Solve for x
    x = 718,489,112.54/34,830.18
  6. Step 6: Final answer
    x = 20,628.35

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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.