Home / 44,099.40-66,126.42-12,930.60

Finding the Fourth Proportional to 44,099.40, 66,126.42 and 12,930.60

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Solution

The fourth proportional to 44,099.40, 66,126.42 and 12,930.60 is: 19,389.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,099.40 : 66,126.42 = 12,930.60 : x
  2. Step 2: Convert to fraction form
    44,099.40/66,126.42 = 12,930.60/x
  3. Step 3: Cross multiply
    44,099.40x = 66,126.42 × 12,930.60
  4. Step 4: Simplify right side
    44,099.40x = 855,054,286.45
  5. Step 5: Solve for x
    x = 855,054,286.45/44,099.40
  6. Step 6: Final answer
    x = 19,389.25

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1.5x scale

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.