Home / 30,245.41-45,377.34-15,464.70

Finding the Fourth Proportional to 30,245.41, 45,377.34 and 15,464.70

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Solution

The fourth proportional to 30,245.41, 45,377.34 and 15,464.70 is: 23,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,245.41 : 45,377.34 = 15,464.70 : x
  2. Step 2: Convert to fraction form
    30,245.41/45,377.34 = 15,464.70/x
  3. Step 3: Cross multiply
    30,245.41x = 45,377.34 × 15,464.70
  4. Step 4: Simplify right side
    30,245.41x = 701,746,949.90
  5. Step 5: Solve for x
    x = 701,746,949.90/30,245.41
  6. Step 6: Final answer
    x = 23,201.77

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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.