Home / 38,131.92-57,201.72-13,168.68

Finding the Fourth Proportional to 38,131.92, 57,201.72 and 13,168.68

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Solution

The fourth proportional to 38,131.92, 57,201.72 and 13,168.68 is: 19,754.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.92 : 57,201.72 = 13,168.68 : x
  2. Step 2: Convert to fraction form
    38,131.92/57,201.72 = 13,168.68/x
  3. Step 3: Cross multiply
    38,131.92x = 57,201.72 × 13,168.68
  4. Step 4: Simplify right side
    38,131.92x = 753,271,146.13
  5. Step 5: Solve for x
    x = 753,271,146.13/38,131.92
  6. Step 6: Final answer
    x = 19,754.35

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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.