Home / 55,227.36-82,840.08-13,674.24

Finding the Fourth Proportional to 55,227.36, 82,840.08 and 13,674.24

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Solution

The fourth proportional to 55,227.36, 82,840.08 and 13,674.24 is: 20,511.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,227.36 : 82,840.08 = 13,674.24 : x
  2. Step 2: Convert to fraction form
    55,227.36/82,840.08 = 13,674.24/x
  3. Step 3: Cross multiply
    55,227.36x = 82,840.08 × 13,674.24
  4. Step 4: Simplify right side
    55,227.36x = 1,132,775,135.54
  5. Step 5: Solve for x
    x = 1,132,775,135.54/55,227.36
  6. Step 6: Final answer
    x = 20,511.12

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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.