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Finding the Fourth Proportional to 44,643.92, 66,958.11 and 14,657.72

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Solution

The fourth proportional to 44,643.92, 66,958.11 and 14,657.72 is: 21,984.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,643.92 : 66,958.11 = 14,657.72 : x
  2. Step 2: Convert to fraction form
    44,643.92/66,958.11 = 14,657.72/x
  3. Step 3: Cross multiply
    44,643.92x = 66,958.11 × 14,657.72
  4. Step 4: Simplify right side
    44,643.92x = 981,452,893.32
  5. Step 5: Solve for x
    x = 981,452,893.32/44,643.92
  6. Step 6: Final answer
    x = 21,984.02

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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.