Home / 31,282.97-43,170.51-17,136.05

Finding the Fourth Proportional to 31,282.97, 43,170.51 and 17,136.05

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Solution

The fourth proportional to 31,282.97, 43,170.51 and 17,136.05 is: 23,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.97 : 43,170.51 = 17,136.05 : x
  2. Step 2: Convert to fraction form
    31,282.97/43,170.51 = 17,136.05/x
  3. Step 3: Cross multiply
    31,282.97x = 43,170.51 × 17,136.05
  4. Step 4: Simplify right side
    31,282.97x = 739,772,017.89
  5. Step 5: Solve for x
    x = 739,772,017.89/31,282.97
  6. Step 6: Final answer
    x = 23,647.76

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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.