Home / 42,241.28-63,379.44-18,536.47

Finding the Fourth Proportional to 42,241.28, 63,379.44 and 18,536.47

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Solution

The fourth proportional to 42,241.28, 63,379.44 and 18,536.47 is: 27,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,241.28 : 63,379.44 = 18,536.47 : x
  2. Step 2: Convert to fraction form
    42,241.28/63,379.44 = 18,536.47/x
  3. Step 3: Cross multiply
    42,241.28x = 63,379.44 × 18,536.47
  4. Step 4: Simplify right side
    42,241.28x = 1,174,830,929.73
  5. Step 5: Solve for x
    x = 1,174,830,929.73/42,241.28
  6. Step 6: Final answer
    x = 27,812.39

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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.