Home / 55,228.48-76,217.46-31,357.38

Finding the Fourth Proportional to 55,228.48, 76,217.46 and 31,357.38

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Solution

The fourth proportional to 55,228.48, 76,217.46 and 31,357.38 is: 43,274.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.48 : 76,217.46 = 31,357.38 : x
  2. Step 2: Convert to fraction form
    55,228.48/76,217.46 = 31,357.38/x
  3. Step 3: Cross multiply
    55,228.48x = 76,217.46 × 31,357.38
  4. Step 4: Simplify right side
    55,228.48x = 2,389,979,855.85
  5. Step 5: Solve for x
    x = 2,389,979,855.85/55,228.48
  6. Step 6: Final answer
    x = 43,274.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.