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Finding the Fourth Proportional to 40,029.60, 60,044.40 and 12,327.60

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Solution

The fourth proportional to 40,029.60, 60,044.40 and 12,327.60 is: 18,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,029.60 : 60,044.40 = 12,327.60 : x
  2. Step 2: Convert to fraction form
    40,029.60/60,044.40 = 12,327.60/x
  3. Step 3: Cross multiply
    40,029.60x = 60,044.40 × 12,327.60
  4. Step 4: Simplify right side
    40,029.60x = 740,203,345.44
  5. Step 5: Solve for x
    x = 740,203,345.44/40,029.60
  6. Step 6: Final answer
    x = 18,491.40

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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.