Home / 57,657.36-79,587.12-33,791.76

Finding the Fourth Proportional to 57,657.36, 79,587.12 and 33,791.76

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Solution

The fourth proportional to 57,657.36, 79,587.12 and 33,791.76 is: 46,644.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,657.36 : 79,587.12 = 33,791.76 : x
  2. Step 2: Convert to fraction form
    57,657.36/79,587.12 = 33,791.76/x
  3. Step 3: Cross multiply
    57,657.36x = 79,587.12 × 33,791.76
  4. Step 4: Simplify right side
    57,657.36x = 2,689,388,858.13
  5. Step 5: Solve for x
    x = 2,689,388,858.13/57,657.36
  6. Step 6: Final answer
    x = 46,644.33

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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.