Home / 31,435.80-43,381.06-17,288.84

Finding the Fourth Proportional to 31,435.80, 43,381.06 and 17,288.84

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Solution

The fourth proportional to 31,435.80, 43,381.06 and 17,288.84 is: 23,858.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,435.80 : 43,381.06 = 17,288.84 : x
  2. Step 2: Convert to fraction form
    31,435.80/43,381.06 = 17,288.84/x
  3. Step 3: Cross multiply
    31,435.80x = 43,381.06 × 17,288.84
  4. Step 4: Simplify right side
    31,435.80x = 750,008,205.37
  5. Step 5: Solve for x
    x = 750,008,205.37/31,435.80
  6. Step 6: Final answer
    x = 23,858.41

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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.