Home / 31,563.27-47,280.89-14,672.61

Finding the Fourth Proportional to 31,563.27, 47,280.89 and 14,672.61

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Solution

The fourth proportional to 31,563.27, 47,280.89 and 14,672.61 is: 21,979.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,563.27 : 47,280.89 = 14,672.61 : x
  2. Step 2: Convert to fraction form
    31,563.27/47,280.89 = 14,672.61/x
  3. Step 3: Cross multiply
    31,563.27x = 47,280.89 × 14,672.61
  4. Step 4: Simplify right side
    31,563.27x = 693,733,986.06
  5. Step 5: Solve for x
    x = 693,733,986.06/31,563.27
  6. Step 6: Final answer
    x = 21,979.15

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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.