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Finding the Fourth Proportional to 51,451.00, 71,002.78 and 29,946.11

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Solution

The fourth proportional to 51,451.00, 71,002.78 and 29,946.11 is: 41,325.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,451.00 : 71,002.78 = 29,946.11 : x
  2. Step 2: Convert to fraction form
    51,451.00/71,002.78 = 29,946.11/x
  3. Step 3: Cross multiply
    51,451.00x = 71,002.78 × 29,946.11
  4. Step 4: Simplify right side
    51,451.00x = 2,126,256,630.31
  5. Step 5: Solve for x
    x = 2,126,256,630.31/51,451.00
  6. Step 6: Final answer
    x = 41,325.86

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1.5x scale

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.