Home / 30,850.17-42,573.11-17,421.27

Finding the Fourth Proportional to 30,850.17, 42,573.11 and 17,421.27

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Solution

The fourth proportional to 30,850.17, 42,573.11 and 17,421.27 is: 24,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,850.17 : 42,573.11 = 17,421.27 : x
  2. Step 2: Convert to fraction form
    30,850.17/42,573.11 = 17,421.27/x
  3. Step 3: Cross multiply
    30,850.17x = 42,573.11 × 17,421.27
  4. Step 4: Simplify right side
    30,850.17x = 741,677,556.94
  5. Step 5: Solve for x
    x = 741,677,556.94/30,850.17
  6. Step 6: Final answer
    x = 24,041.28

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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.