Home / 51,021.48-70,386.90-29,791.38

Finding the Fourth Proportional to 51,021.48, 70,386.90 and 29,791.38

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Solution

The fourth proportional to 51,021.48, 70,386.90 and 29,791.38 is: 41,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,021.48 : 70,386.90 = 29,791.38 : x
  2. Step 2: Convert to fraction form
    51,021.48/70,386.90 = 29,791.38/x
  3. Step 3: Cross multiply
    51,021.48x = 70,386.90 × 29,791.38
  4. Step 4: Simplify right side
    51,021.48x = 2,096,922,884.92
  5. Step 5: Solve for x
    x = 2,096,922,884.92/51,021.48
  6. Step 6: Final answer
    x = 41,098.83

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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.