Home / 30,704.54-42,369.27-17,275.51

Finding the Fourth Proportional to 30,704.54, 42,369.27 and 17,275.51

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Solution

The fourth proportional to 30,704.54, 42,369.27 and 17,275.51 is: 23,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,704.54 : 42,369.27 = 17,275.51 : x
  2. Step 2: Convert to fraction form
    30,704.54/42,369.27 = 17,275.51/x
  3. Step 3: Cross multiply
    30,704.54x = 42,369.27 × 17,275.51
  4. Step 4: Simplify right side
    30,704.54x = 731,950,747.58
  5. Step 5: Solve for x
    x = 731,950,747.58/30,704.54
  6. Step 6: Final answer
    x = 23,838.52

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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.