Home / 38,305.08-57,457.62-12,012.12

Finding the Fourth Proportional to 38,305.08, 57,457.62 and 12,012.12

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Solution

The fourth proportional to 38,305.08, 57,457.62 and 12,012.12 is: 18,018.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.08 : 57,457.62 = 12,012.12 : x
  2. Step 2: Convert to fraction form
    38,305.08/57,457.62 = 12,012.12/x
  3. Step 3: Cross multiply
    38,305.08x = 57,457.62 × 12,012.12
  4. Step 4: Simplify right side
    38,305.08x = 690,187,826.35
  5. Step 5: Solve for x
    x = 690,187,826.35/38,305.08
  6. Step 6: Final answer
    x = 18,018.18

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Similar ratio
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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.