Home / 38,305.49-57,458.24-12,012.35

Finding the Fourth Proportional to 38,305.49, 57,458.24 and 12,012.35

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Solution

The fourth proportional to 38,305.49, 57,458.24 and 12,012.35 is: 18,018.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,305.49 : 57,458.24 = 12,012.35 : x
  2. Step 2: Convert to fraction form
    38,305.49/57,458.24 = 12,012.35/x
  3. Step 3: Cross multiply
    38,305.49x = 57,458.24 × 12,012.35
  4. Step 4: Simplify right side
    38,305.49x = 690,208,429.20
  5. Step 5: Solve for x
    x = 690,208,429.20/38,305.49
  6. Step 6: Final answer
    x = 18,018.53

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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.