Home / 42,511.98-63,754.44-15,490.96

Finding the Fourth Proportional to 42,511.98, 63,754.44 and 15,490.96

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Solution

The fourth proportional to 42,511.98, 63,754.44 and 15,490.96 is: 23,231.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,511.98 : 63,754.44 = 15,490.96 : x
  2. Step 2: Convert to fraction form
    42,511.98/63,754.44 = 15,490.96/x
  3. Step 3: Cross multiply
    42,511.98x = 63,754.44 × 15,490.96
  4. Step 4: Simplify right side
    42,511.98x = 987,617,479.86
  5. Step 5: Solve for x
    x = 987,617,479.86/42,511.98
  6. Step 6: Final answer
    x = 23,231.51

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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.