Home / 30,621.24-45,910.96-15,591.42

Finding the Fourth Proportional to 30,621.24, 45,910.96 and 15,591.42

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Solution

The fourth proportional to 30,621.24, 45,910.96 and 15,591.42 is: 23,376.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,621.24 : 45,910.96 = 15,591.42 : x
  2. Step 2: Convert to fraction form
    30,621.24/45,910.96 = 15,591.42/x
  3. Step 3: Cross multiply
    30,621.24x = 45,910.96 × 15,591.42
  4. Step 4: Simplify right side
    30,621.24x = 715,817,059.96
  5. Step 5: Solve for x
    x = 715,817,059.96/30,621.24
  6. Step 6: Final answer
    x = 23,376.49

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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.