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Finding the Fourth Proportional to 29,602.81, 40,851.40 and 16,173.78

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Solution

The fourth proportional to 29,602.81, 40,851.40 and 16,173.78 is: 22,319.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,602.81 : 40,851.40 = 16,173.78 : x
  2. Step 2: Convert to fraction form
    29,602.81/40,851.40 = 16,173.78/x
  3. Step 3: Cross multiply
    29,602.81x = 40,851.40 × 16,173.78
  4. Step 4: Simplify right side
    29,602.81x = 660,721,369.86
  5. Step 5: Solve for x
    x = 660,721,369.86/29,602.81
  6. Step 6: Final answer
    x = 22,319.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.