Home / 42,104.08-63,175.56-18,745.84

Finding the Fourth Proportional to 42,104.08, 63,175.56 and 18,745.84

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Solution

The fourth proportional to 42,104.08, 63,175.56 and 18,745.84 is: 28,127.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,104.08 : 63,175.56 = 18,745.84 : x
  2. Step 2: Convert to fraction form
    42,104.08/63,175.56 = 18,745.84/x
  3. Step 3: Cross multiply
    42,104.08x = 63,175.56 × 18,745.84
  4. Step 4: Simplify right side
    42,104.08x = 1,184,278,939.67
  5. Step 5: Solve for x
    x = 1,184,278,939.67/42,104.08
  6. Step 6: Final answer
    x = 28,127.42

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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.