Home / 30,003.13-41,402.79-16,571.79

Finding the Fourth Proportional to 30,003.13, 41,402.79 and 16,571.79

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Solution

The fourth proportional to 30,003.13, 41,402.79 and 16,571.79 is: 22,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.13 : 41,402.79 = 16,571.79 : x
  2. Step 2: Convert to fraction form
    30,003.13/41,402.79 = 16,571.79/x
  3. Step 3: Cross multiply
    30,003.13x = 41,402.79 × 16,571.79
  4. Step 4: Simplify right side
    30,003.13x = 686,118,154.97
  5. Step 5: Solve for x
    x = 686,118,154.97/30,003.13
  6. Step 6: Final answer
    x = 22,868.22

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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.