Home / 47,811.10-71,718.18-14,531.46

Finding the Fourth Proportional to 47,811.10, 71,718.18 and 14,531.46

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Solution

The fourth proportional to 47,811.10, 71,718.18 and 14,531.46 is: 21,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,811.10 : 71,718.18 = 14,531.46 : x
  2. Step 2: Convert to fraction form
    47,811.10/71,718.18 = 14,531.46/x
  3. Step 3: Cross multiply
    47,811.10x = 71,718.18 × 14,531.46
  4. Step 4: Simplify right side
    47,811.10x = 1,042,169,863.94
  5. Step 5: Solve for x
    x = 1,042,169,863.94/47,811.10
  6. Step 6: Final answer
    x = 21,797.66

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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.