Home / 42,162.30-63,236.93-18,464.64

Finding the Fourth Proportional to 42,162.30, 63,236.93 and 18,464.64

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Solution

The fourth proportional to 42,162.30, 63,236.93 and 18,464.64 is: 27,694.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,162.30 : 63,236.93 = 18,464.64 : x
  2. Step 2: Convert to fraction form
    42,162.30/63,236.93 = 18,464.64/x
  3. Step 3: Cross multiply
    42,162.30x = 63,236.93 × 18,464.64
  4. Step 4: Simplify right side
    42,162.30x = 1,167,647,054.83
  5. Step 5: Solve for x
    x = 1,167,647,054.83/42,162.30
  6. Step 6: Final answer
    x = 27,694.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.