Home / 38,671.14-57,994.35-12,369.63

Finding the Fourth Proportional to 38,671.14, 57,994.35 and 12,369.63

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Solution

The fourth proportional to 38,671.14, 57,994.35 and 12,369.63 is: 18,550.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,671.14 : 57,994.35 = 12,369.63 : x
  2. Step 2: Convert to fraction form
    38,671.14/57,994.35 = 12,369.63/x
  3. Step 3: Cross multiply
    38,671.14x = 57,994.35 × 12,369.63
  4. Step 4: Simplify right side
    38,671.14x = 717,368,651.59
  5. Step 5: Solve for x
    x = 717,368,651.59/38,671.14
  6. Step 6: Final answer
    x = 18,550.49

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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.