Home / 31,283.14-43,170.70-17,136.01

Finding the Fourth Proportional to 31,283.14, 43,170.70 and 17,136.01

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Solution

The fourth proportional to 31,283.14, 43,170.70 and 17,136.01 is: 23,647.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,283.14 : 43,170.70 = 17,136.01 : x
  2. Step 2: Convert to fraction form
    31,283.14/43,170.70 = 17,136.01/x
  3. Step 3: Cross multiply
    31,283.14x = 43,170.70 × 17,136.01
  4. Step 4: Simplify right side
    31,283.14x = 739,773,546.91
  5. Step 5: Solve for x
    x = 739,773,546.91/31,283.14
  6. Step 6: Final answer
    x = 23,647.68

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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.