Home / 35,619.74-49,150.95-20,517.31

Finding the Fourth Proportional to 35,619.74, 49,150.95 and 20,517.31

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Solution

The fourth proportional to 35,619.74, 49,150.95 and 20,517.31 is: 28,311.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,619.74 : 49,150.95 = 20,517.31 : x
  2. Step 2: Convert to fraction form
    35,619.74/49,150.95 = 20,517.31/x
  3. Step 3: Cross multiply
    35,619.74x = 49,150.95 × 20,517.31
  4. Step 4: Simplify right side
    35,619.74x = 1,008,445,277.94
  5. Step 5: Solve for x
    x = 1,008,445,277.94/35,619.74
  6. Step 6: Final answer
    x = 28,311.42

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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.