Home / 31,167.36-43,011.54-17,020.80

Finding the Fourth Proportional to 31,167.36, 43,011.54 and 17,020.80

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Solution

The fourth proportional to 31,167.36, 43,011.54 and 17,020.80 is: 23,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,167.36 : 43,011.54 = 17,020.80 : x
  2. Step 2: Convert to fraction form
    31,167.36/43,011.54 = 17,020.80/x
  3. Step 3: Cross multiply
    31,167.36x = 43,011.54 × 17,020.80
  4. Step 4: Simplify right side
    31,167.36x = 732,090,820.03
  5. Step 5: Solve for x
    x = 732,090,820.03/31,167.36
  6. Step 6: Final answer
    x = 23,489.02

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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.