Home / 31,369.39-43,289.21-17,222.13

Finding the Fourth Proportional to 31,369.39, 43,289.21 and 17,222.13

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Solution

The fourth proportional to 31,369.39, 43,289.21 and 17,222.13 is: 23,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,369.39 : 43,289.21 = 17,222.13 : x
  2. Step 2: Convert to fraction form
    31,369.39/43,289.21 = 17,222.13/x
  3. Step 3: Cross multiply
    31,369.39x = 43,289.21 × 17,222.13
  4. Step 4: Simplify right side
    31,369.39x = 745,532,402.22
  5. Step 5: Solve for x
    x = 745,532,402.22/31,369.39
  6. Step 6: Final answer
    x = 23,766.24

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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.