Home / 42,028.30-63,051.67-12,448.44

Finding the Fourth Proportional to 42,028.30, 63,051.67 and 12,448.44

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Solution

The fourth proportional to 42,028.30, 63,051.67 and 12,448.44 is: 18,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,028.30 : 63,051.67 = 12,448.44 : x
  2. Step 2: Convert to fraction form
    42,028.30/63,051.67 = 12,448.44/x
  3. Step 3: Cross multiply
    42,028.30x = 63,051.67 × 12,448.44
  4. Step 4: Simplify right side
    42,028.30x = 784,894,930.89
  5. Step 5: Solve for x
    x = 784,894,930.89/42,028.30
  6. Step 6: Final answer
    x = 18,675.39

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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.