Home / 30,645.53-45,944.94-15,845.01

Finding the Fourth Proportional to 30,645.53, 45,944.94 and 15,845.01

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Solution

The fourth proportional to 30,645.53, 45,944.94 and 15,845.01 is: 23,755.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.53 : 45,944.94 = 15,845.01 : x
  2. Step 2: Convert to fraction form
    30,645.53/45,944.94 = 15,845.01/x
  3. Step 3: Cross multiply
    30,645.53x = 45,944.94 × 15,845.01
  4. Step 4: Simplify right side
    30,645.53x = 727,998,033.75
  5. Step 5: Solve for x
    x = 727,998,033.75/30,645.53
  6. Step 6: Final answer
    x = 23,755.44

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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.