Home / 30,498.15-42,085.92-17,069.43

Finding the Fourth Proportional to 30,498.15, 42,085.92 and 17,069.43

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Solution

The fourth proportional to 30,498.15, 42,085.92 and 17,069.43 is: 23,554.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,498.15 : 42,085.92 = 17,069.43 : x
  2. Step 2: Convert to fraction form
    30,498.15/42,085.92 = 17,069.43/x
  3. Step 3: Cross multiply
    30,498.15x = 42,085.92 × 17,069.43
  4. Step 4: Simplify right side
    30,498.15x = 718,382,665.43
  5. Step 5: Solve for x
    x = 718,382,665.43/30,498.15
  6. Step 6: Final answer
    x = 23,554.96

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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.