Home / 42,198.42-63,278.04-15,537.62

Finding the Fourth Proportional to 42,198.42, 63,278.04 and 15,537.62

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Solution

The fourth proportional to 42,198.42, 63,278.04 and 15,537.62 is: 23,299.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,198.42 : 63,278.04 = 15,537.62 : x
  2. Step 2: Convert to fraction form
    42,198.42/63,278.04 = 15,537.62/x
  3. Step 3: Cross multiply
    42,198.42x = 63,278.04 × 15,537.62
  4. Step 4: Simplify right side
    42,198.42x = 983,190,139.86
  5. Step 5: Solve for x
    x = 983,190,139.86/42,198.42
  6. Step 6: Final answer
    x = 23,299.22

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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.