Home / 30,553.65-42,163.34-17,806.02

Finding the Fourth Proportional to 30,553.65, 42,163.34 and 17,806.02

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Solution

The fourth proportional to 30,553.65, 42,163.34 and 17,806.02 is: 24,571.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,553.65 : 42,163.34 = 17,806.02 : x
  2. Step 2: Convert to fraction form
    30,553.65/42,163.34 = 17,806.02/x
  3. Step 3: Cross multiply
    30,553.65x = 42,163.34 × 17,806.02
  4. Step 4: Simplify right side
    30,553.65x = 750,761,186.28
  5. Step 5: Solve for x
    x = 750,761,186.28/30,553.65
  6. Step 6: Final answer
    x = 24,571.90

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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.