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Finding the Fourth Proportional to 40,605.45, 60,906.02 and 12,901.29

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Solution

The fourth proportional to 40,605.45, 60,906.02 and 12,901.29 is: 19,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,605.45 : 60,906.02 = 12,901.29 : x
  2. Step 2: Convert to fraction form
    40,605.45/60,906.02 = 12,901.29/x
  3. Step 3: Cross multiply
    40,605.45x = 60,906.02 × 12,901.29
  4. Step 4: Simplify right side
    40,605.45x = 785,766,162.26
  5. Step 5: Solve for x
    x = 785,766,162.26/40,605.45
  6. Step 6: Final answer
    x = 19,351.25

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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.