Home / 43,345.97-65,018.95-12,181.22

Finding the Fourth Proportional to 43,345.97, 65,018.95 and 12,181.22

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Solution

The fourth proportional to 43,345.97, 65,018.95 and 12,181.22 is: 18,271.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.97 : 65,018.95 = 12,181.22 : x
  2. Step 2: Convert to fraction form
    43,345.97/65,018.95 = 12,181.22/x
  3. Step 3: Cross multiply
    43,345.97x = 65,018.95 × 12,181.22
  4. Step 4: Simplify right side
    43,345.97x = 792,010,090.91
  5. Step 5: Solve for x
    x = 792,010,090.91/43,345.97
  6. Step 6: Final answer
    x = 18,271.83

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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.