Home / 47,907.89-66,108.60-26,686.70

Finding the Fourth Proportional to 47,907.89, 66,108.60 and 26,686.70

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Solution

The fourth proportional to 47,907.89, 66,108.60 and 26,686.70 is: 36,825.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,907.89 : 66,108.60 = 26,686.70 : x
  2. Step 2: Convert to fraction form
    47,907.89/66,108.60 = 26,686.70/x
  3. Step 3: Cross multiply
    47,907.89x = 66,108.60 × 26,686.70
  4. Step 4: Simplify right side
    47,907.89x = 1,764,220,375.62
  5. Step 5: Solve for x
    x = 1,764,220,375.62/47,907.89
  6. Step 6: Final answer
    x = 36,825.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.