Home / 37,085.49-55,640.66-12,126.69

Finding the Fourth Proportional to 37,085.49, 55,640.66 and 12,126.69

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Solution

The fourth proportional to 37,085.49, 55,640.66 and 12,126.69 is: 18,194.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,085.49 : 55,640.66 = 12,126.69 : x
  2. Step 2: Convert to fraction form
    37,085.49/55,640.66 = 12,126.69/x
  3. Step 3: Cross multiply
    37,085.49x = 55,640.66 × 12,126.69
  4. Step 4: Simplify right side
    37,085.49x = 674,736,974.58
  5. Step 5: Solve for x
    x = 674,736,974.58/37,085.49
  6. Step 6: Final answer
    x = 18,194.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.