Home / 38,305.47-57,458.22-12,012.27

Finding the Fourth Proportional to 38,305.47, 57,458.22 and 12,012.27

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Solution

The fourth proportional to 38,305.47, 57,458.22 and 12,012.27 is: 18,018.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.47 : 57,458.22 = 12,012.27 : x
  2. Step 2: Convert to fraction form
    38,305.47/57,458.22 = 12,012.27/x
  3. Step 3: Cross multiply
    38,305.47x = 57,458.22 × 12,012.27
  4. Step 4: Simplify right side
    38,305.47x = 690,203,652.36
  5. Step 5: Solve for x
    x = 690,203,652.36/38,305.47
  6. Step 6: Final answer
    x = 18,018.41

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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.