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Finding the Fourth Proportional to 44,580.92, 66,741.74 and 34,690.20

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Solution

The fourth proportional to 44,580.92, 66,741.74 and 34,690.20 is: 51,934.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,580.92 : 66,741.74 = 34,690.20 : x
  2. Step 2: Convert to fraction form
    44,580.92/66,741.74 = 34,690.20/x
  3. Step 3: Cross multiply
    44,580.92x = 66,741.74 × 34,690.20
  4. Step 4: Simplify right side
    44,580.92x = 2,315,284,135.50
  5. Step 5: Solve for x
    x = 2,315,284,135.50/44,580.92
  6. Step 6: Final answer
    x = 51,934.42

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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.