Home / 38,745.63-58,116.40-12,448.33

Finding the Fourth Proportional to 38,745.63, 58,116.40 and 12,448.33

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Solution

The fourth proportional to 38,745.63, 58,116.40 and 12,448.33 is: 18,671.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,745.63 : 58,116.40 = 12,448.33 : x
  2. Step 2: Convert to fraction form
    38,745.63/58,116.40 = 12,448.33/x
  3. Step 3: Cross multiply
    38,745.63x = 58,116.40 × 12,448.33
  4. Step 4: Simplify right side
    38,745.63x = 723,451,949.20
  5. Step 5: Solve for x
    x = 723,451,949.20/38,745.63
  6. Step 6: Final answer
    x = 18,671.83

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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.