Home / 31,416.50-43,353.74-17,268.44

Finding the Fourth Proportional to 31,416.50, 43,353.74 and 17,268.44

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Solution

The fourth proportional to 31,416.50, 43,353.74 and 17,268.44 is: 23,829.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,416.50 : 43,353.74 = 17,268.44 : x
  2. Step 2: Convert to fraction form
    31,416.50/43,353.74 = 17,268.44/x
  3. Step 3: Cross multiply
    31,416.50x = 43,353.74 × 17,268.44
  4. Step 4: Simplify right side
    31,416.50x = 748,651,154.85
  5. Step 5: Solve for x
    x = 748,651,154.85/31,416.50
  6. Step 6: Final answer
    x = 23,829.88

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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.