Home / 45,219.89-67,783.26-30,433.04

Finding the Fourth Proportional to 45,219.89, 67,783.26 and 30,433.04

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Solution

The fourth proportional to 45,219.89, 67,783.26 and 30,433.04 is: 45,618.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,219.89 : 67,783.26 = 30,433.04 : x
  2. Step 2: Convert to fraction form
    45,219.89/67,783.26 = 30,433.04/x
  3. Step 3: Cross multiply
    45,219.89x = 67,783.26 × 30,433.04
  4. Step 4: Simplify right side
    45,219.89x = 2,062,850,662.91
  5. Step 5: Solve for x
    x = 2,062,850,662.91/45,219.89
  6. Step 6: Final answer
    x = 45,618.21

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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.