Home / 42,992.28-64,481.12-19,613.24

Finding the Fourth Proportional to 42,992.28, 64,481.12 and 19,613.24

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Solution

The fourth proportional to 42,992.28, 64,481.12 and 19,613.24 is: 29,416.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,992.28 : 64,481.12 = 19,613.24 : x
  2. Step 2: Convert to fraction form
    42,992.28/64,481.12 = 19,613.24/x
  3. Step 3: Cross multiply
    42,992.28x = 64,481.12 × 19,613.24
  4. Step 4: Simplify right side
    42,992.28x = 1,264,683,682.03
  5. Step 5: Solve for x
    x = 1,264,683,682.03/42,992.28
  6. Step 6: Final answer
    x = 29,416.53

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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.