Home / 45,323.10-67,976.15-19,028.07

Finding the Fourth Proportional to 45,323.10, 67,976.15 and 19,028.07

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Solution

The fourth proportional to 45,323.10, 67,976.15 and 19,028.07 is: 28,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,323.10 : 67,976.15 = 19,028.07 : x
  2. Step 2: Convert to fraction form
    45,323.10/67,976.15 = 19,028.07/x
  3. Step 3: Cross multiply
    45,323.10x = 67,976.15 × 19,028.07
  4. Step 4: Simplify right side
    45,323.10x = 1,293,454,845.39
  5. Step 5: Solve for x
    x = 1,293,454,845.39/45,323.10
  6. Step 6: Final answer
    x = 28,538.53

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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.