Home / 54,971.60-75,859.41-30,772.85

Finding the Fourth Proportional to 54,971.60, 75,859.41 and 30,772.85

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Solution

The fourth proportional to 54,971.60, 75,859.41 and 30,772.85 is: 42,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,971.60 : 75,859.41 = 30,772.85 : x
  2. Step 2: Convert to fraction form
    54,971.60/75,859.41 = 30,772.85/x
  3. Step 3: Cross multiply
    54,971.60x = 75,859.41 × 30,772.85
  4. Step 4: Simplify right side
    54,971.60x = 2,334,410,245.02
  5. Step 5: Solve for x
    x = 2,334,410,245.02/54,971.60
  6. Step 6: Final answer
    x = 42,465.75

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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.