Home / 42,418.41-63,619.35-12,829.29

Finding the Fourth Proportional to 42,418.41, 63,619.35 and 12,829.29

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Solution

The fourth proportional to 42,418.41, 63,619.35 and 12,829.29 is: 19,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,418.41 : 63,619.35 = 12,829.29 : x
  2. Step 2: Convert to fraction form
    42,418.41/63,619.35 = 12,829.29/x
  3. Step 3: Cross multiply
    42,418.41x = 63,619.35 × 12,829.29
  4. Step 4: Simplify right side
    42,418.41x = 816,191,090.76
  5. Step 5: Solve for x
    x = 816,191,090.76/42,418.41
  6. Step 6: Final answer
    x = 19,241.44

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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.