Home / 42,470.73-63,705.69-11,305.98

Finding the Fourth Proportional to 42,470.73, 63,705.69 and 11,305.98

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Solution

The fourth proportional to 42,470.73, 63,705.69 and 11,305.98 is: 16,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,470.73 : 63,705.69 = 11,305.98 : x
  2. Step 2: Convert to fraction form
    42,470.73/63,705.69 = 11,305.98/x
  3. Step 3: Cross multiply
    42,470.73x = 63,705.69 × 11,305.98
  4. Step 4: Simplify right side
    42,470.73x = 720,255,257.03
  5. Step 5: Solve for x
    x = 720,255,257.03/42,470.73
  6. Step 6: Final answer
    x = 16,958.86

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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.