Home / 45,336.65-67,991.30-19,035.54

Finding the Fourth Proportional to 45,336.65, 67,991.30 and 19,035.54

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Solution

The fourth proportional to 45,336.65, 67,991.30 and 19,035.54 is: 28,547.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,336.65 : 67,991.30 = 19,035.54 : x
  2. Step 2: Convert to fraction form
    45,336.65/67,991.30 = 19,035.54/x
  3. Step 3: Cross multiply
    45,336.65x = 67,991.30 × 19,035.54
  4. Step 4: Simplify right side
    45,336.65x = 1,294,251,015.62
  5. Step 5: Solve for x
    x = 1,294,251,015.62/45,336.65
  6. Step 6: Final answer
    x = 28,547.57

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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.