Home / 30,218.28-45,336.60-9,441.96

Finding the Fourth Proportional to 30,218.28, 45,336.60 and 9,441.96

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Solution

The fourth proportional to 30,218.28, 45,336.60 and 9,441.96 is: 14,165.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,218.28 : 45,336.60 = 9,441.96 : x
  2. Step 2: Convert to fraction form
    30,218.28/45,336.60 = 9,441.96/x
  3. Step 3: Cross multiply
    30,218.28x = 45,336.60 × 9,441.96
  4. Step 4: Simplify right side
    30,218.28x = 428,066,363.74
  5. Step 5: Solve for x
    x = 428,066,363.74/30,218.28
  6. Step 6: Final answer
    x = 14,165.81

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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.