Home / 31,416.14-43,353.69-17,268.68

Finding the Fourth Proportional to 31,416.14, 43,353.69 and 17,268.68

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Solution

The fourth proportional to 31,416.14, 43,353.69 and 17,268.68 is: 23,830.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.14 : 43,353.69 = 17,268.68 : x
  2. Step 2: Convert to fraction form
    31,416.14/43,353.69 = 17,268.68/x
  3. Step 3: Cross multiply
    31,416.14x = 43,353.69 × 17,268.68
  4. Step 4: Simplify right side
    31,416.14x = 748,660,999.43
  5. Step 5: Solve for x
    x = 748,660,999.43/31,416.14
  6. Step 6: Final answer
    x = 23,830.46

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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.