Home / 55,801.20-83,716.38-18,367.05

Finding the Fourth Proportional to 55,801.20, 83,716.38 and 18,367.05

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Solution

The fourth proportional to 55,801.20, 83,716.38 and 18,367.05 is: 27,555.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,801.20 : 83,716.38 = 18,367.05 : x
  2. Step 2: Convert to fraction form
    55,801.20/83,716.38 = 18,367.05/x
  3. Step 3: Cross multiply
    55,801.20x = 83,716.38 × 18,367.05
  4. Step 4: Simplify right side
    55,801.20x = 1,537,622,937.28
  5. Step 5: Solve for x
    x = 1,537,622,937.28/55,801.20
  6. Step 6: Final answer
    x = 27,555.37

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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.