Home / 31,284.74-43,164.34-17,851.16

Finding the Fourth Proportional to 31,284.74, 43,164.34 and 17,851.16

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Solution

The fourth proportional to 31,284.74, 43,164.34 and 17,851.16 is: 24,629.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,284.74 : 43,164.34 = 17,851.16 : x
  2. Step 2: Convert to fraction form
    31,284.74/43,164.34 = 17,851.16/x
  3. Step 3: Cross multiply
    31,284.74x = 43,164.34 × 17,851.16
  4. Step 4: Simplify right side
    31,284.74x = 770,533,279.18
  5. Step 5: Solve for x
    x = 770,533,279.18/31,284.74
  6. Step 6: Final answer
    x = 24,629.69

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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.