Home / 31,388.24-43,313.64-17,241.68

Finding the Fourth Proportional to 31,388.24, 43,313.64 and 17,241.68

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Solution

The fourth proportional to 31,388.24, 43,313.64 and 17,241.68 is: 23,792.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,388.24 : 43,313.64 = 17,241.68 : x
  2. Step 2: Convert to fraction form
    31,388.24/43,313.64 = 17,241.68/x
  3. Step 3: Cross multiply
    31,388.24x = 43,313.64 × 17,241.68
  4. Step 4: Simplify right side
    31,388.24x = 746,799,920.52
  5. Step 5: Solve for x
    x = 746,799,920.52/31,388.24
  6. Step 6: Final answer
    x = 23,792.35

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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.