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Finding the Fourth Proportional to 40,469.06, 60,712.61 and 12,393.06

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Solution

The fourth proportional to 40,469.06, 60,712.61 and 12,393.06 is: 18,592.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,469.06 : 60,712.61 = 12,393.06 : x
  2. Step 2: Convert to fraction form
    40,469.06/60,712.61 = 12,393.06/x
  3. Step 3: Cross multiply
    40,469.06x = 60,712.61 × 12,393.06
  4. Step 4: Simplify right side
    40,469.06x = 752,415,018.49
  5. Step 5: Solve for x
    x = 752,415,018.49/40,469.06
  6. Step 6: Final answer
    x = 18,592.35

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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.