Home / 31,605.36-43,615.01-17,265.01

Finding the Fourth Proportional to 31,605.36, 43,615.01 and 17,265.01

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Solution

The fourth proportional to 31,605.36, 43,615.01 and 17,265.01 is: 23,825.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,605.36 : 43,615.01 = 17,265.01 : x
  2. Step 2: Convert to fraction form
    31,605.36/43,615.01 = 17,265.01/x
  3. Step 3: Cross multiply
    31,605.36x = 43,615.01 × 17,265.01
  4. Step 4: Simplify right side
    31,605.36x = 753,013,626.96
  5. Step 5: Solve for x
    x = 753,013,626.96/31,605.36
  6. Step 6: Final answer
    x = 23,825.51

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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.