Home / 43,790.82-65,678.28-15,331.94

Finding the Fourth Proportional to 43,790.82, 65,678.28 and 15,331.94

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Solution

The fourth proportional to 43,790.82, 65,678.28 and 15,331.94 is: 22,995.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,790.82 : 65,678.28 = 15,331.94 : x
  2. Step 2: Convert to fraction form
    43,790.82/65,678.28 = 15,331.94/x
  3. Step 3: Cross multiply
    43,790.82x = 65,678.28 × 15,331.94
  4. Step 4: Simplify right side
    43,790.82x = 1,006,975,308.67
  5. Step 5: Solve for x
    x = 1,006,975,308.67/43,790.82
  6. Step 6: Final answer
    x = 22,995.13

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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.