Home / 47,671.26-71,510.31-12,610.50

Finding the Fourth Proportional to 47,671.26, 71,510.31 and 12,610.50

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Solution

The fourth proportional to 47,671.26, 71,510.31 and 12,610.50 is: 18,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,671.26 : 71,510.31 = 12,610.50 : x
  2. Step 2: Convert to fraction form
    47,671.26/71,510.31 = 12,610.50/x
  3. Step 3: Cross multiply
    47,671.26x = 71,510.31 × 12,610.50
  4. Step 4: Simplify right side
    47,671.26x = 901,780,764.26
  5. Step 5: Solve for x
    x = 901,780,764.26/47,671.26
  6. Step 6: Final answer
    x = 18,916.65

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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.