Home / 29,050.44-43,575.04-7,990.38

Finding the Fourth Proportional to 29,050.44, 43,575.04 and 7,990.38

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Solution

The fourth proportional to 29,050.44, 43,575.04 and 7,990.38 is: 11,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,050.44 : 43,575.04 = 7,990.38 : x
  2. Step 2: Convert to fraction form
    29,050.44/43,575.04 = 7,990.38/x
  3. Step 3: Cross multiply
    29,050.44x = 43,575.04 × 7,990.38
  4. Step 4: Simplify right side
    29,050.44x = 348,181,128.12
  5. Step 5: Solve for x
    x = 348,181,128.12/29,050.44
  6. Step 6: Final answer
    x = 11,985.40

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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.