Home / 31,183.42-46,778.28-10,122.58

Finding the Fourth Proportional to 31,183.42, 46,778.28 and 10,122.58

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Solution

The fourth proportional to 31,183.42, 46,778.28 and 10,122.58 is: 15,184.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.42 : 46,778.28 = 10,122.58 : x
  2. Step 2: Convert to fraction form
    31,183.42/46,778.28 = 10,122.58/x
  3. Step 3: Cross multiply
    31,183.42x = 46,778.28 × 10,122.58
  4. Step 4: Simplify right side
    31,183.42x = 473,516,881.56
  5. Step 5: Solve for x
    x = 473,516,881.56/31,183.42
  6. Step 6: Final answer
    x = 15,184.89

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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.