Home / 42,519.76-63,757.77-19,133.44

Finding the Fourth Proportional to 42,519.76, 63,757.77 and 19,133.44

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Solution

The fourth proportional to 42,519.76, 63,757.77 and 19,133.44 is: 28,690.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,519.76 : 63,757.77 = 19,133.44 : x
  2. Step 2: Convert to fraction form
    42,519.76/63,757.77 = 19,133.44/x
  3. Step 3: Cross multiply
    42,519.76x = 63,757.77 × 19,133.44
  4. Step 4: Simplify right side
    42,519.76x = 1,219,905,235.68
  5. Step 5: Solve for x
    x = 1,219,905,235.68/42,519.76
  6. Step 6: Final answer
    x = 28,690.31

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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.