Home / 31,255.88-46,871.47-10,190.75

Finding the Fourth Proportional to 31,255.88, 46,871.47 and 10,190.75

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Solution

The fourth proportional to 31,255.88, 46,871.47 and 10,190.75 is: 15,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,255.88 : 46,871.47 = 10,190.75 : x
  2. Step 2: Convert to fraction form
    31,255.88/46,871.47 = 10,190.75/x
  3. Step 3: Cross multiply
    31,255.88x = 46,871.47 × 10,190.75
  4. Step 4: Simplify right side
    31,255.88x = 477,655,147.59
  5. Step 5: Solve for x
    x = 477,655,147.59/31,255.88
  6. Step 6: Final answer
    x = 15,282.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.