Home / 34,765.87-47,977.21-18,850.36

Finding the Fourth Proportional to 34,765.87, 47,977.21 and 18,850.36

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Solution

The fourth proportional to 34,765.87, 47,977.21 and 18,850.36 is: 26,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765.87 : 47,977.21 = 18,850.36 : x
  2. Step 2: Convert to fraction form
    34,765.87/47,977.21 = 18,850.36/x
  3. Step 3: Cross multiply
    34,765.87x = 47,977.21 × 18,850.36
  4. Step 4: Simplify right side
    34,765.87x = 904,387,440.41
  5. Step 5: Solve for x
    x = 904,387,440.41/34,765.87
  6. Step 6: Final answer
    x = 26,013.66

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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.