Home / 40,705.38-61,061.94-12,625.74

Finding the Fourth Proportional to 40,705.38, 61,061.94 and 12,625.74

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Solution

The fourth proportional to 40,705.38, 61,061.94 and 12,625.74 is: 18,939.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,705.38 : 61,061.94 = 12,625.74 : x
  2. Step 2: Convert to fraction form
    40,705.38/61,061.94 = 12,625.74/x
  3. Step 3: Cross multiply
    40,705.38x = 61,061.94 × 12,625.74
  4. Step 4: Simplify right side
    40,705.38x = 770,952,178.34
  5. Step 5: Solve for x
    x = 770,952,178.34/40,705.38
  6. Step 6: Final answer
    x = 18,939.81

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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.