Home / 42,255.31-63,378.16-11,092.99

Finding the Fourth Proportional to 42,255.31, 63,378.16 and 11,092.99

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Solution

The fourth proportional to 42,255.31, 63,378.16 and 11,092.99 is: 16,638.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,255.31 : 63,378.16 = 11,092.99 : x
  2. Step 2: Convert to fraction form
    42,255.31/63,378.16 = 11,092.99/x
  3. Step 3: Cross multiply
    42,255.31x = 63,378.16 × 11,092.99
  4. Step 4: Simplify right side
    42,255.31x = 703,052,922.74
  5. Step 5: Solve for x
    x = 703,052,922.74/42,255.31
  6. Step 6: Final answer
    x = 16,638.22

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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.