Home / 38,457.91-57,692.94-12,168.82

Finding the Fourth Proportional to 38,457.91, 57,692.94 and 12,168.82

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Solution

The fourth proportional to 38,457.91, 57,692.94 and 12,168.82 is: 18,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,457.91 : 57,692.94 = 12,168.82 : x
  2. Step 2: Convert to fraction form
    38,457.91/57,692.94 = 12,168.82/x
  3. Step 3: Cross multiply
    38,457.91x = 57,692.94 × 12,168.82
  4. Step 4: Simplify right side
    38,457.91x = 702,055,002.13
  5. Step 5: Solve for x
    x = 702,055,002.13/38,457.91
  6. Step 6: Final answer
    x = 18,255.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.