Home / 52,216.25-78,324.27-18,936.21

Finding the Fourth Proportional to 52,216.25, 78,324.27 and 18,936.21

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Solution

The fourth proportional to 52,216.25, 78,324.27 and 18,936.21 is: 28,404.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,216.25 : 78,324.27 = 18,936.21 : x
  2. Step 2: Convert to fraction form
    52,216.25/78,324.27 = 18,936.21/x
  3. Step 3: Cross multiply
    52,216.25x = 78,324.27 × 18,936.21
  4. Step 4: Simplify right side
    52,216.25x = 1,483,165,047.52
  5. Step 5: Solve for x
    x = 1,483,165,047.52/52,216.25
  6. Step 6: Final answer
    x = 28,404.28

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1.5x scale

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.