Home / 42,203.88-63,305.82-11,038.86

Finding the Fourth Proportional to 42,203.88, 63,305.82 and 11,038.86

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Solution

The fourth proportional to 42,203.88, 63,305.82 and 11,038.86 is: 16,558.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,203.88 : 63,305.82 = 11,038.86 : x
  2. Step 2: Convert to fraction form
    42,203.88/63,305.82 = 11,038.86/x
  3. Step 3: Cross multiply
    42,203.88x = 63,305.82 × 11,038.86
  4. Step 4: Simplify right side
    42,203.88x = 698,824,084.17
  5. Step 5: Solve for x
    x = 698,824,084.17/42,203.88
  6. Step 6: Final answer
    x = 16,558.29

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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.