Home / 51,678.75-71,316.41-29,018.09

Finding the Fourth Proportional to 51,678.75, 71,316.41 and 29,018.09

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Solution

The fourth proportional to 51,678.75, 71,316.41 and 29,018.09 is: 40,044.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,678.75 : 71,316.41 = 29,018.09 : x
  2. Step 2: Convert to fraction form
    51,678.75/71,316.41 = 29,018.09/x
  3. Step 3: Cross multiply
    51,678.75x = 71,316.41 × 29,018.09
  4. Step 4: Simplify right side
    51,678.75x = 2,069,466,003.86
  5. Step 5: Solve for x
    x = 2,069,466,003.86/51,678.75
  6. Step 6: Final answer
    x = 40,044.82

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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.