Home / 55,273.24-82,934.16-20,218.12

Finding the Fourth Proportional to 55,273.24, 82,934.16 and 20,218.12

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Solution

The fourth proportional to 55,273.24, 82,934.16 and 20,218.12 is: 30,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.24 : 82,934.16 = 20,218.12 : x
  2. Step 2: Convert to fraction form
    55,273.24/82,934.16 = 20,218.12/x
  3. Step 3: Cross multiply
    55,273.24x = 82,934.16 × 20,218.12
  4. Step 4: Simplify right side
    55,273.24x = 1,676,772,798.98
  5. Step 5: Solve for x
    x = 1,676,772,798.98/55,273.24
  6. Step 6: Final answer
    x = 30,336.07

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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.