Home / 31,716.23-43,768.40-17,569.08

Finding the Fourth Proportional to 31,716.23, 43,768.40 and 17,569.08

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Solution

The fourth proportional to 31,716.23, 43,768.40 and 17,569.08 is: 24,245.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,716.23 : 43,768.40 = 17,569.08 : x
  2. Step 2: Convert to fraction form
    31,716.23/43,768.40 = 17,569.08/x
  3. Step 3: Cross multiply
    31,716.23x = 43,768.40 × 17,569.08
  4. Step 4: Simplify right side
    31,716.23x = 768,970,427.48
  5. Step 5: Solve for x
    x = 768,970,427.48/31,716.23
  6. Step 6: Final answer
    x = 24,245.33

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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.