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Finding the Fourth Proportional to 40,447, 60,670.65 and 12,366.94

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Solution

The fourth proportional to 40,447, 60,670.65 and 12,366.94 is: 18,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,447 : 60,670.65 = 12,366.94 : x
  2. Step 2: Convert to fraction form
    40,447/60,670.65 = 12,366.94/x
  3. Step 3: Cross multiply
    40,447x = 60,670.65 × 12,366.94
  4. Step 4: Simplify right side
    40,447x = 750,310,288.31
  5. Step 5: Solve for x
    x = 750,310,288.31/40,447
  6. Step 6: Final answer
    x = 18,550.46

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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.