Home / 42,252.18-63,374.49-12,676.62

Finding the Fourth Proportional to 42,252.18, 63,374.49 and 12,676.62

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Solution

The fourth proportional to 42,252.18, 63,374.49 and 12,676.62 is: 19,013.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,252.18 : 63,374.49 = 12,676.62 : x
  2. Step 2: Convert to fraction form
    42,252.18/63,374.49 = 12,676.62/x
  3. Step 3: Cross multiply
    42,252.18x = 63,374.49 × 12,676.62
  4. Step 4: Simplify right side
    42,252.18x = 803,374,327.42
  5. Step 5: Solve for x
    x = 803,374,327.42/42,252.18
  6. Step 6: Final answer
    x = 19,013.80

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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.