Home / 31,128.66-46,671.39-11,404.50

Finding the Fourth Proportional to 31,128.66, 46,671.39 and 11,404.50

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Solution

The fourth proportional to 31,128.66, 46,671.39 and 11,404.50 is: 17,098.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,128.66 : 46,671.39 = 11,404.50 : x
  2. Step 2: Convert to fraction form
    31,128.66/46,671.39 = 11,404.50/x
  3. Step 3: Cross multiply
    31,128.66x = 46,671.39 × 11,404.50
  4. Step 4: Simplify right side
    31,128.66x = 532,263,867.26
  5. Step 5: Solve for x
    x = 532,263,867.26/31,128.66
  6. Step 6: Final answer
    x = 17,098.84

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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.