Home / 31,232.80-43,101.32-17,085.68

Finding the Fourth Proportional to 31,232.80, 43,101.32 and 17,085.68

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Solution

The fourth proportional to 31,232.80, 43,101.32 and 17,085.68 is: 23,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,232.80 : 43,101.32 = 17,085.68 : x
  2. Step 2: Convert to fraction form
    31,232.80/43,101.32 = 17,085.68/x
  3. Step 3: Cross multiply
    31,232.80x = 43,101.32 × 17,085.68
  4. Step 4: Simplify right side
    31,232.80x = 736,415,361.10
  5. Step 5: Solve for x
    x = 736,415,361.10/31,232.80
  6. Step 6: Final answer
    x = 23,578.27

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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.