Home / 30,381.57-41,922.63-17,624.07

Finding the Fourth Proportional to 30,381.57, 41,922.63 and 17,624.07

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Solution

The fourth proportional to 30,381.57, 41,922.63 and 17,624.07 is: 24,318.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,381.57 : 41,922.63 = 17,624.07 : x
  2. Step 2: Convert to fraction form
    30,381.57/41,922.63 = 17,624.07/x
  3. Step 3: Cross multiply
    30,381.57x = 41,922.63 × 17,624.07
  4. Step 4: Simplify right side
    30,381.57x = 738,847,365.70
  5. Step 5: Solve for x
    x = 738,847,365.70/30,381.57
  6. Step 6: Final answer
    x = 24,318.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.