Home / 31,283.40-43,171.04-17,136.26

Finding the Fourth Proportional to 31,283.40, 43,171.04 and 17,136.26

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Solution

The fourth proportional to 31,283.40, 43,171.04 and 17,136.26 is: 23,648.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.40 : 43,171.04 = 17,136.26 : x
  2. Step 2: Convert to fraction form
    31,283.40/43,171.04 = 17,136.26/x
  3. Step 3: Cross multiply
    31,283.40x = 43,171.04 × 17,136.26
  4. Step 4: Simplify right side
    31,283.40x = 739,790,165.91
  5. Step 5: Solve for x
    x = 739,790,165.91/31,283.40
  6. Step 6: Final answer
    x = 23,648.01

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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.