Home / 30,244.77-45,327.74-15,441.21

Finding the Fourth Proportional to 30,244.77, 45,327.74 and 15,441.21

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Solution

The fourth proportional to 30,244.77, 45,327.74 and 15,441.21 is: 23,141.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,244.77 : 45,327.74 = 15,441.21 : x
  2. Step 2: Convert to fraction form
    30,244.77/45,327.74 = 15,441.21/x
  3. Step 3: Cross multiply
    30,244.77x = 45,327.74 × 15,441.21
  4. Step 4: Simplify right side
    30,244.77x = 699,915,074.96
  5. Step 5: Solve for x
    x = 699,915,074.96/30,244.77
  6. Step 6: Final answer
    x = 23,141.69

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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.