Home / 30,299.99-45,434.78-17,653.84

Finding the Fourth Proportional to 30,299.99, 45,434.78 and 17,653.84

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Solution

The fourth proportional to 30,299.99, 45,434.78 and 17,653.84 is: 26,471.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,299.99 : 45,434.78 = 17,653.84 : x
  2. Step 2: Convert to fraction form
    30,299.99/45,434.78 = 17,653.84/x
  3. Step 3: Cross multiply
    30,299.99x = 45,434.78 × 17,653.84
  4. Step 4: Simplify right side
    30,299.99x = 802,098,450.14
  5. Step 5: Solve for x
    x = 802,098,450.14/30,299.99
  6. Step 6: Final answer
    x = 26,471.90

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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.