Home / 52,228.44-78,342.66-18,940.95

Finding the Fourth Proportional to 52,228.44, 78,342.66 and 18,940.95

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Solution

The fourth proportional to 52,228.44, 78,342.66 and 18,940.95 is: 28,411.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,228.44 : 78,342.66 = 18,940.95 : x
  2. Step 2: Convert to fraction form
    52,228.44/78,342.66 = 18,940.95/x
  3. Step 3: Cross multiply
    52,228.44x = 78,342.66 × 18,940.95
  4. Step 4: Simplify right side
    52,228.44x = 1,483,884,405.93
  5. Step 5: Solve for x
    x = 1,483,884,405.93/52,228.44
  6. Step 6: Final answer
    x = 28,411.43

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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.