Home / 57,578.13-79,457.99-33,383.79

Finding the Fourth Proportional to 57,578.13, 79,457.99 and 33,383.79

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Solution

The fourth proportional to 57,578.13, 79,457.99 and 33,383.79 is: 46,069.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,578.13 : 79,457.99 = 33,383.79 : x
  2. Step 2: Convert to fraction form
    57,578.13/79,457.99 = 33,383.79/x
  3. Step 3: Cross multiply
    57,578.13x = 79,457.99 × 33,383.79
  4. Step 4: Simplify right side
    57,578.13x = 2,652,608,685.06
  5. Step 5: Solve for x
    x = 2,652,608,685.06/57,578.13
  6. Step 6: Final answer
    x = 46,069.73

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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.