Home / 30,242.49-41,728.55-17,664.81

Finding the Fourth Proportional to 30,242.49, 41,728.55 and 17,664.81

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Solution

The fourth proportional to 30,242.49, 41,728.55 and 17,664.81 is: 24,373.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,242.49 : 41,728.55 = 17,664.81 : x
  2. Step 2: Convert to fraction form
    30,242.49/41,728.55 = 17,664.81/x
  3. Step 3: Cross multiply
    30,242.49x = 41,728.55 × 17,664.81
  4. Step 4: Simplify right side
    30,242.49x = 737,126,819.00
  5. Step 5: Solve for x
    x = 737,126,819.00/30,242.49
  6. Step 6: Final answer
    x = 24,373.88

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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.