Home / 30,423.55-45,604.26-20,563.84

Finding the Fourth Proportional to 30,423.55, 45,604.26 and 20,563.84

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Solution

The fourth proportional to 30,423.55, 45,604.26 and 20,563.84 is: 30,824.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,423.55 : 45,604.26 = 20,563.84 : x
  2. Step 2: Convert to fraction form
    30,423.55/45,604.26 = 20,563.84/x
  3. Step 3: Cross multiply
    30,423.55x = 45,604.26 × 20,563.84
  4. Step 4: Simplify right side
    30,423.55x = 937,798,705.96
  5. Step 5: Solve for x
    x = 937,798,705.96/30,423.55
  6. Step 6: Final answer
    x = 30,824.76

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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.