Home / 35,600.80-49,131.42-20,495.32

Finding the Fourth Proportional to 35,600.80, 49,131.42 and 20,495.32

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Solution

The fourth proportional to 35,600.80, 49,131.42 and 20,495.32 is: 28,284.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,600.80 : 49,131.42 = 20,495.32 : x
  2. Step 2: Convert to fraction form
    35,600.80/49,131.42 = 20,495.32/x
  3. Step 3: Cross multiply
    35,600.80x = 49,131.42 × 20,495.32
  4. Step 4: Simplify right side
    35,600.80x = 1,006,964,174.95
  5. Step 5: Solve for x
    x = 1,006,964,174.95/35,600.80
  6. Step 6: Final answer
    x = 28,284.87

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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.