Home / 57,257.57-79,015.38-31,767.80

Finding the Fourth Proportional to 57,257.57, 79,015.38 and 31,767.80

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Solution

The fourth proportional to 57,257.57, 79,015.38 and 31,767.80 is: 43,839.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,257.57 : 79,015.38 = 31,767.80 : x
  2. Step 2: Convert to fraction form
    57,257.57/79,015.38 = 31,767.80/x
  3. Step 3: Cross multiply
    57,257.57x = 79,015.38 × 31,767.80
  4. Step 4: Simplify right side
    57,257.57x = 2,510,144,788.76
  5. Step 5: Solve for x
    x = 2,510,144,788.76/57,257.57
  6. Step 6: Final answer
    x = 43,839.53

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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.