Home / 31,679.04-43,716-17,532.48

Finding the Fourth Proportional to 31,679.04, 43,716 and 17,532.48

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Solution

The fourth proportional to 31,679.04, 43,716 and 17,532.48 is: 24,194.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,679.04 : 43,716 = 17,532.48 : x
  2. Step 2: Convert to fraction form
    31,679.04/43,716 = 17,532.48/x
  3. Step 3: Cross multiply
    31,679.04x = 43,716 × 17,532.48
  4. Step 4: Simplify right side
    31,679.04x = 766,449,895.68
  5. Step 5: Solve for x
    x = 766,449,895.68/31,679.04
  6. Step 6: Final answer
    x = 24,194.23

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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.