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Finding the Fourth Proportional to 35,479.90, 48,936.52 and 24,129.22

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Solution

The fourth proportional to 35,479.90, 48,936.52 and 24,129.22 is: 33,280.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.90 : 48,936.52 = 24,129.22 : x
  2. Step 2: Convert to fraction form
    35,479.90/48,936.52 = 24,129.22/x
  3. Step 3: Cross multiply
    35,479.90x = 48,936.52 × 24,129.22
  4. Step 4: Simplify right side
    35,479.90x = 1,180,800,057.11
  5. Step 5: Solve for x
    x = 1,180,800,057.11/35,479.90
  6. Step 6: Final answer
    x = 33,280.82

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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.