Home / 47,872.02-71,812.94-18,314.71

Finding the Fourth Proportional to 47,872.02, 71,812.94 and 18,314.71

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Solution

The fourth proportional to 47,872.02, 71,812.94 and 18,314.71 is: 27,473.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,872.02 : 71,812.94 = 18,314.71 : x
  2. Step 2: Convert to fraction form
    47,872.02/71,812.94 = 18,314.71/x
  3. Step 3: Cross multiply
    47,872.02x = 71,812.94 × 18,314.71
  4. Step 4: Simplify right side
    47,872.02x = 1,315,233,168.54
  5. Step 5: Solve for x
    x = 1,315,233,168.54/47,872.02
  6. Step 6: Final answer
    x = 27,473.95

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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.