Home / 42,765.66-64,149.30-14,685.54

Finding the Fourth Proportional to 42,765.66, 64,149.30 and 14,685.54

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Solution

The fourth proportional to 42,765.66, 64,149.30 and 14,685.54 is: 22,028.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,765.66 : 64,149.30 = 14,685.54 : x
  2. Step 2: Convert to fraction form
    42,765.66/64,149.30 = 14,685.54/x
  3. Step 3: Cross multiply
    42,765.66x = 64,149.30 × 14,685.54
  4. Step 4: Simplify right side
    42,765.66x = 942,067,111.12
  5. Step 5: Solve for x
    x = 942,067,111.12/42,765.66
  6. Step 6: Final answer
    x = 22,028.59

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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.