Home / 51,042.38-70,442.79-28,383.02

Finding the Fourth Proportional to 51,042.38, 70,442.79 and 28,383.02

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Solution

The fourth proportional to 51,042.38, 70,442.79 and 28,383.02 is: 39,170.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,042.38 : 70,442.79 = 28,383.02 : x
  2. Step 2: Convert to fraction form
    51,042.38/70,442.79 = 28,383.02/x
  3. Step 3: Cross multiply
    51,042.38x = 70,442.79 × 28,383.02
  4. Step 4: Simplify right side
    51,042.38x = 1,999,379,117.43
  5. Step 5: Solve for x
    x = 1,999,379,117.43/51,042.38
  6. Step 6: Final answer
    x = 39,170.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.