Home / 30,299.44-45,457.82-10,313.32

Finding the Fourth Proportional to 30,299.44, 45,457.82 and 10,313.32

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Solution

The fourth proportional to 30,299.44, 45,457.82 and 10,313.32 is: 15,472.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.44 : 45,457.82 = 10,313.32 : x
  2. Step 2: Convert to fraction form
    30,299.44/45,457.82 = 10,313.32/x
  3. Step 3: Cross multiply
    30,299.44x = 45,457.82 × 10,313.32
  4. Step 4: Simplify right side
    30,299.44x = 468,821,049.42
  5. Step 5: Solve for x
    x = 468,821,049.42/30,299.44
  6. Step 6: Final answer
    x = 15,472.93

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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.