Home / 53,649.43-74,040.87-29,780.71

Finding the Fourth Proportional to 53,649.43, 74,040.87 and 29,780.71

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Solution

The fourth proportional to 53,649.43, 74,040.87 and 29,780.71 is: 41,099.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,649.43 : 74,040.87 = 29,780.71 : x
  2. Step 2: Convert to fraction form
    53,649.43/74,040.87 = 29,780.71/x
  3. Step 3: Cross multiply
    53,649.43x = 74,040.87 × 29,780.71
  4. Step 4: Simplify right side
    53,649.43x = 2,204,989,677.62
  5. Step 5: Solve for x
    x = 2,204,989,677.62/53,649.43
  6. Step 6: Final answer
    x = 41,099.96

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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.