Home / 54,621.82-75,379.54-30,749.36

Finding the Fourth Proportional to 54,621.82, 75,379.54 and 30,749.36

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Solution

The fourth proportional to 54,621.82, 75,379.54 and 30,749.36 is: 42,434.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.82 : 75,379.54 = 30,749.36 : x
  2. Step 2: Convert to fraction form
    54,621.82/75,379.54 = 30,749.36/x
  3. Step 3: Cross multiply
    54,621.82x = 75,379.54 × 30,749.36
  4. Step 4: Simplify right side
    54,621.82x = 2,317,872,723.67
  5. Step 5: Solve for x
    x = 2,317,872,723.67/54,621.82
  6. Step 6: Final answer
    x = 42,434.92

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1.5x scale

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.