Home / 30,695.63-42,359.49-17,083.44

Finding the Fourth Proportional to 30,695.63, 42,359.49 and 17,083.44

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Solution

The fourth proportional to 30,695.63, 42,359.49 and 17,083.44 is: 23,574.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,695.63 : 42,359.49 = 17,083.44 : x
  2. Step 2: Convert to fraction form
    30,695.63/42,359.49 = 17,083.44/x
  3. Step 3: Cross multiply
    30,695.63x = 42,359.49 × 17,083.44
  4. Step 4: Simplify right side
    30,695.63x = 723,645,805.85
  5. Step 5: Solve for x
    x = 723,645,805.85/30,695.63
  6. Step 6: Final answer
    x = 23,574.88

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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.