Home / 54,788.75-75,604.30-30,917.64

Finding the Fourth Proportional to 54,788.75, 75,604.30 and 30,917.64

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Solution

The fourth proportional to 54,788.75, 75,604.30 and 30,917.64 is: 42,663.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.75 : 75,604.30 = 30,917.64 : x
  2. Step 2: Convert to fraction form
    54,788.75/75,604.30 = 30,917.64/x
  3. Step 3: Cross multiply
    54,788.75x = 75,604.30 × 30,917.64
  4. Step 4: Simplify right side
    54,788.75x = 2,337,506,529.85
  5. Step 5: Solve for x
    x = 2,337,506,529.85/54,788.75
  6. Step 6: Final answer
    x = 42,663.99

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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.