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Finding the Fourth Proportional to 29,079, 40,129.56 and 16,504.56

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Solution

The fourth proportional to 29,079, 40,129.56 and 16,504.56 is: 22,776.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,079 : 40,129.56 = 16,504.56 : x
  2. Step 2: Convert to fraction form
    29,079/40,129.56 = 16,504.56/x
  3. Step 3: Cross multiply
    29,079x = 40,129.56 × 16,504.56
  4. Step 4: Simplify right side
    29,079x = 662,320,730.79
  5. Step 5: Solve for x
    x = 662,320,730.79/29,079
  6. Step 6: Final answer
    x = 22,776.60

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1.5x scale

Why These Related Problems?

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