Home / 31,430.06-43,373.79-17,283

Finding the Fourth Proportional to 31,430.06, 43,373.79 and 17,283

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Solution

The fourth proportional to 31,430.06, 43,373.79 and 17,283 is: 23,850.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,430.06 : 43,373.79 = 17,283 : x
  2. Step 2: Convert to fraction form
    31,430.06/43,373.79 = 17,283/x
  3. Step 3: Cross multiply
    31,430.06x = 43,373.79 × 17,283
  4. Step 4: Simplify right side
    31,430.06x = 749,629,212.57
  5. Step 5: Solve for x
    x = 749,629,212.57/31,430.06
  6. Step 6: Final answer
    x = 23,850.71

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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.