Home / 42,467.66-63,641.06-31,286.42

Finding the Fourth Proportional to 42,467.66, 63,641.06 and 31,286.42

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Solution

The fourth proportional to 42,467.66, 63,641.06 and 31,286.42 is: 46,885.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,467.66 : 63,641.06 = 31,286.42 : x
  2. Step 2: Convert to fraction form
    42,467.66/63,641.06 = 31,286.42/x
  3. Step 3: Cross multiply
    42,467.66x = 63,641.06 × 31,286.42
  4. Step 4: Simplify right side
    42,467.66x = 1,991,100,932.41
  5. Step 5: Solve for x
    x = 1,991,100,932.41/42,467.66
  6. Step 6: Final answer
    x = 46,885.11

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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.