Home / 57,749.07-79,694.31-33,876.15

Finding the Fourth Proportional to 57,749.07, 79,694.31 and 33,876.15

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Solution

The fourth proportional to 57,749.07, 79,694.31 and 33,876.15 is: 46,749.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.07 : 79,694.31 = 33,876.15 : x
  2. Step 2: Convert to fraction form
    57,749.07/79,694.31 = 33,876.15/x
  3. Step 3: Cross multiply
    57,749.07x = 79,694.31 × 33,876.15
  4. Step 4: Simplify right side
    57,749.07x = 2,699,736,399.71
  5. Step 5: Solve for x
    x = 2,699,736,399.71/57,749.07
  6. Step 6: Final answer
    x = 46,749.44

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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.