Home / 54,728.00-75,523.64-30,854.69

Finding the Fourth Proportional to 54,728.00, 75,523.64 and 30,854.69

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Solution

The fourth proportional to 54,728.00, 75,523.64 and 30,854.69 is: 42,578.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,728.00 : 75,523.64 = 30,854.69 : x
  2. Step 2: Convert to fraction form
    54,728.00/75,523.64 = 30,854.69/x
  3. Step 3: Cross multiply
    54,728.00x = 75,523.64 × 30,854.69
  4. Step 4: Simplify right side
    54,728.00x = 2,330,257,967.98
  5. Step 5: Solve for x
    x = 2,330,257,967.98/54,728.00
  6. Step 6: Final answer
    x = 42,578.90

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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.