Home / 54,645.57-75,410.15-30,772.53

Finding the Fourth Proportional to 54,645.57, 75,410.15 and 30,772.53

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Solution

The fourth proportional to 54,645.57, 75,410.15 and 30,772.53 is: 42,465.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,645.57 : 75,410.15 = 30,772.53 : x
  2. Step 2: Convert to fraction form
    54,645.57/75,410.15 = 30,772.53/x
  3. Step 3: Cross multiply
    54,645.57x = 75,410.15 × 30,772.53
  4. Step 4: Simplify right side
    54,645.57x = 2,320,560,949.32
  5. Step 5: Solve for x
    x = 2,320,560,949.32/54,645.57
  6. Step 6: Final answer
    x = 42,465.67

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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.