Home / 31,004.37-42,785.13-17,576.86

Finding the Fourth Proportional to 31,004.37, 42,785.13 and 17,576.86

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Solution

The fourth proportional to 31,004.37, 42,785.13 and 17,576.86 is: 24,255.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,004.37 : 42,785.13 = 17,576.86 : x
  2. Step 2: Convert to fraction form
    31,004.37/42,785.13 = 17,576.86/x
  3. Step 3: Cross multiply
    31,004.37x = 42,785.13 × 17,576.86
  4. Step 4: Simplify right side
    31,004.37x = 752,028,240.09
  5. Step 5: Solve for x
    x = 752,028,240.09/31,004.37
  6. Step 6: Final answer
    x = 24,255.56

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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.