Home / 49,578.21-68,386.77-29,420.82

Finding the Fourth Proportional to 49,578.21, 68,386.77 and 29,420.82

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Solution

The fourth proportional to 49,578.21, 68,386.77 and 29,420.82 is: 40,582.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,578.21 : 68,386.77 = 29,420.82 : x
  2. Step 2: Convert to fraction form
    49,578.21/68,386.77 = 29,420.82/x
  3. Step 3: Cross multiply
    49,578.21x = 68,386.77 × 29,420.82
  4. Step 4: Simplify right side
    49,578.21x = 2,011,994,850.55
  5. Step 5: Solve for x
    x = 2,011,994,850.55/49,578.21
  6. Step 6: Final answer
    x = 40,582.24

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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.