Home / 42,309.44-63,456.99-19,822.46

Finding the Fourth Proportional to 42,309.44, 63,456.99 and 19,822.46

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Solution

The fourth proportional to 42,309.44, 63,456.99 and 19,822.46 is: 29,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.44 : 63,456.99 = 19,822.46 : x
  2. Step 2: Convert to fraction form
    42,309.44/63,456.99 = 19,822.46/x
  3. Step 3: Cross multiply
    42,309.44x = 63,456.99 × 19,822.46
  4. Step 4: Simplify right side
    42,309.44x = 1,257,873,646.00
  5. Step 5: Solve for x
    x = 1,257,873,646.00/42,309.44
  6. Step 6: Final answer
    x = 29,730.33

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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.