Home / 42,406.56-63,613.44-11,241.44

Finding the Fourth Proportional to 42,406.56, 63,613.44 and 11,241.44

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Solution

The fourth proportional to 42,406.56, 63,613.44 and 11,241.44 is: 16,863.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,406.56 : 63,613.44 = 11,241.44 : x
  2. Step 2: Convert to fraction form
    42,406.56/63,613.44 = 11,241.44/x
  3. Step 3: Cross multiply
    42,406.56x = 63,613.44 × 11,241.44
  4. Step 4: Simplify right side
    42,406.56x = 715,106,668.95
  5. Step 5: Solve for x
    x = 715,106,668.95/42,406.56
  6. Step 6: Final answer
    x = 16,863.11

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1.5x scale

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.