Home / 31,164.33-46,720.48-14,515.80

Finding the Fourth Proportional to 31,164.33, 46,720.48 and 14,515.80

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Solution

The fourth proportional to 31,164.33, 46,720.48 and 14,515.80 is: 21,761.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,164.33 : 46,720.48 = 14,515.80 : x
  2. Step 2: Convert to fraction form
    31,164.33/46,720.48 = 14,515.80/x
  3. Step 3: Cross multiply
    31,164.33x = 46,720.48 × 14,515.80
  4. Step 4: Simplify right side
    31,164.33x = 678,185,143.58
  5. Step 5: Solve for x
    x = 678,185,143.58/31,164.33
  6. Step 6: Final answer
    x = 21,761.58

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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.