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Finding the Fourth Proportional to 30,049.71, 45,096.71 and 14,254.79

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Solution

The fourth proportional to 30,049.71, 45,096.71 and 14,254.79 is: 21,392.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.71 : 45,096.71 = 14,254.79 : x
  2. Step 2: Convert to fraction form
    30,049.71/45,096.71 = 14,254.79/x
  3. Step 3: Cross multiply
    30,049.71x = 45,096.71 × 14,254.79
  4. Step 4: Simplify right side
    30,049.71x = 642,843,833.98
  5. Step 5: Solve for x
    x = 642,843,833.98/30,049.71
  6. Step 6: Final answer
    x = 21,392.68

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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.