Home / 45,349.66-67,955.19-19,039.96

Finding the Fourth Proportional to 45,349.66, 67,955.19 and 19,039.96

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Solution

The fourth proportional to 45,349.66, 67,955.19 and 19,039.96 is: 28,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,349.66 : 67,955.19 = 19,039.96 : x
  2. Step 2: Convert to fraction form
    45,349.66/67,955.19 = 19,039.96/x
  3. Step 3: Cross multiply
    45,349.66x = 67,955.19 × 19,039.96
  4. Step 4: Simplify right side
    45,349.66x = 1,293,864,099.39
  5. Step 5: Solve for x
    x = 1,293,864,099.39/45,349.66
  6. Step 6: Final answer
    x = 28,530.84

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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.