Home / 30,141.68-41,591.57-17,220.60

Finding the Fourth Proportional to 30,141.68, 41,591.57 and 17,220.60

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Solution

The fourth proportional to 30,141.68, 41,591.57 and 17,220.60 is: 23,762.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,141.68 : 41,591.57 = 17,220.60 : x
  2. Step 2: Convert to fraction form
    30,141.68/41,591.57 = 17,220.60/x
  3. Step 3: Cross multiply
    30,141.68x = 41,591.57 × 17,220.60
  4. Step 4: Simplify right side
    30,141.68x = 716,231,704.24
  5. Step 5: Solve for x
    x = 716,231,704.24/30,141.68
  6. Step 6: Final answer
    x = 23,762.17

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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.