Home / 30,383.14-45,603.90-14,811.70

Finding the Fourth Proportional to 30,383.14, 45,603.90 and 14,811.70

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Solution

The fourth proportional to 30,383.14, 45,603.90 and 14,811.70 is: 22,231.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,383.14 : 45,603.90 = 14,811.70 : x
  2. Step 2: Convert to fraction form
    30,383.14/45,603.90 = 14,811.70/x
  3. Step 3: Cross multiply
    30,383.14x = 45,603.90 × 14,811.70
  4. Step 4: Simplify right side
    30,383.14x = 675,471,285.63
  5. Step 5: Solve for x
    x = 675,471,285.63/30,383.14
  6. Step 6: Final answer
    x = 22,231.78

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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.