Home / 55,291.94-76,313.82-35,172.62

Finding the Fourth Proportional to 55,291.94, 76,313.82 and 35,172.62

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Solution

The fourth proportional to 55,291.94, 76,313.82 and 35,172.62 is: 48,545.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,291.94 : 76,313.82 = 35,172.62 : x
  2. Step 2: Convert to fraction form
    55,291.94/76,313.82 = 35,172.62/x
  3. Step 3: Cross multiply
    55,291.94x = 76,313.82 × 35,172.62
  4. Step 4: Simplify right side
    55,291.94x = 2,684,156,991.61
  5. Step 5: Solve for x
    x = 2,684,156,991.61/55,291.94
  6. Step 6: Final answer
    x = 48,545.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.