Home / 31,277.74-43,163.22-17,130.55

Finding the Fourth Proportional to 31,277.74, 43,163.22 and 17,130.55

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Solution

The fourth proportional to 31,277.74, 43,163.22 and 17,130.55 is: 23,640.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.74 : 43,163.22 = 17,130.55 : x
  2. Step 2: Convert to fraction form
    31,277.74/43,163.22 = 17,130.55/x
  3. Step 3: Cross multiply
    31,277.74x = 43,163.22 × 17,130.55
  4. Step 4: Simplify right side
    31,277.74x = 739,409,698.37
  5. Step 5: Solve for x
    x = 739,409,698.37/31,277.74
  6. Step 6: Final answer
    x = 23,640.13

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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.