Home / 34,435.64-47,520.60-20,286.02

Finding the Fourth Proportional to 34,435.64, 47,520.60 and 20,286.02

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Solution

The fourth proportional to 34,435.64, 47,520.60 and 20,286.02 is: 27,994.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,435.64 : 47,520.60 = 20,286.02 : x
  2. Step 2: Convert to fraction form
    34,435.64/47,520.60 = 20,286.02/x
  3. Step 3: Cross multiply
    34,435.64x = 47,520.60 × 20,286.02
  4. Step 4: Simplify right side
    34,435.64x = 964,003,842.01
  5. Step 5: Solve for x
    x = 964,003,842.01/34,435.64
  6. Step 6: Final answer
    x = 27,994.36

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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.