Home / 47,836.95-71,755.41-12,775.68

Finding the Fourth Proportional to 47,836.95, 71,755.41 and 12,775.68

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Solution

The fourth proportional to 47,836.95, 71,755.41 and 12,775.68 is: 19,163.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,836.95 : 71,755.41 = 12,775.68 : x
  2. Step 2: Convert to fraction form
    47,836.95/71,755.41 = 12,775.68/x
  3. Step 3: Cross multiply
    47,836.95x = 71,755.41 × 12,775.68
  4. Step 4: Simplify right side
    47,836.95x = 916,724,156.43
  5. Step 5: Solve for x
    x = 916,724,156.43/47,836.95
  6. Step 6: Final answer
    x = 19,163.52

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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.