Home / 54,749.25-75,564.97-30,876.39

Finding the Fourth Proportional to 54,749.25, 75,564.97 and 30,876.39

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Solution

The fourth proportional to 54,749.25, 75,564.97 and 30,876.39 is: 42,615.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,749.25 : 75,564.97 = 30,876.39 : x
  2. Step 2: Convert to fraction form
    54,749.25/75,564.97 = 30,876.39/x
  3. Step 3: Cross multiply
    54,749.25x = 75,564.97 × 30,876.39
  4. Step 4: Simplify right side
    54,749.25x = 2,333,173,406.87
  5. Step 5: Solve for x
    x = 2,333,173,406.87/54,749.25
  6. Step 6: Final answer
    x = 42,615.62

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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.