Home / 38,408.77-57,613.16-12,116.17

Finding the Fourth Proportional to 38,408.77, 57,613.16 and 12,116.17

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Solution

The fourth proportional to 38,408.77, 57,613.16 and 12,116.17 is: 18,174.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,408.77 : 57,613.16 = 12,116.17 : x
  2. Step 2: Convert to fraction form
    38,408.77/57,613.16 = 12,116.17/x
  3. Step 3: Cross multiply
    38,408.77x = 57,613.16 × 12,116.17
  4. Step 4: Simplify right side
    38,408.77x = 698,050,840.80
  5. Step 5: Solve for x
    x = 698,050,840.80/38,408.77
  6. Step 6: Final answer
    x = 18,174.26

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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.