Home / 47,837.89-71,761.70-18,280.59

Finding the Fourth Proportional to 47,837.89, 71,761.70 and 18,280.59

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Solution

The fourth proportional to 47,837.89, 71,761.70 and 18,280.59 is: 27,422.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,837.89 : 71,761.70 = 18,280.59 : x
  2. Step 2: Convert to fraction form
    47,837.89/71,761.70 = 18,280.59/x
  3. Step 3: Cross multiply
    47,837.89x = 71,761.70 × 18,280.59
  4. Step 4: Simplify right side
    47,837.89x = 1,311,845,889.17
  5. Step 5: Solve for x
    x = 1,311,845,889.17/47,837.89
  6. Step 6: Final answer
    x = 27,422.74

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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.