Home / 57,255.72-79,017.48-31,764.60

Finding the Fourth Proportional to 57,255.72, 79,017.48 and 31,764.60

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Solution

The fourth proportional to 57,255.72, 79,017.48 and 31,764.60 is: 43,837.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,255.72 : 79,017.48 = 31,764.60 : x
  2. Step 2: Convert to fraction form
    57,255.72/79,017.48 = 31,764.60/x
  3. Step 3: Cross multiply
    57,255.72x = 79,017.48 × 31,764.60
  4. Step 4: Simplify right side
    57,255.72x = 2,509,958,645.21
  5. Step 5: Solve for x
    x = 2,509,958,645.21/57,255.72
  6. Step 6: Final answer
    x = 43,837.69

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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.