Home / 31,181.36-46,772.45-10,404.86

Finding the Fourth Proportional to 31,181.36, 46,772.45 and 10,404.86

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Solution

The fourth proportional to 31,181.36, 46,772.45 and 10,404.86 is: 15,607.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,181.36 : 46,772.45 = 10,404.86 : x
  2. Step 2: Convert to fraction form
    31,181.36/46,772.45 = 10,404.86/x
  3. Step 3: Cross multiply
    31,181.36x = 46,772.45 × 10,404.86
  4. Step 4: Simplify right side
    31,181.36x = 486,660,742.08
  5. Step 5: Solve for x
    x = 486,660,742.08/31,181.36
  6. Step 6: Final answer
    x = 15,607.43

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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.