Home / 57,457.56-79,293.33-34,800.78

Finding the Fourth Proportional to 57,457.56, 79,293.33 and 34,800.78

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Solution

The fourth proportional to 57,457.56, 79,293.33 and 34,800.78 is: 48,026.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.56 : 79,293.33 = 34,800.78 : x
  2. Step 2: Convert to fraction form
    57,457.56/79,293.33 = 34,800.78/x
  3. Step 3: Cross multiply
    57,457.56x = 79,293.33 × 34,800.78
  4. Step 4: Simplify right side
    57,457.56x = 2,759,469,732.80
  5. Step 5: Solve for x
    x = 2,759,469,732.80/57,457.56
  6. Step 6: Final answer
    x = 48,026.23

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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.