Home / 30,070.82-41,498.25-16,643.18

Finding the Fourth Proportional to 30,070.82, 41,498.25 and 16,643.18

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Solution

The fourth proportional to 30,070.82, 41,498.25 and 16,643.18 is: 22,967.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,070.82 : 41,498.25 = 16,643.18 : x
  2. Step 2: Convert to fraction form
    30,070.82/41,498.25 = 16,643.18/x
  3. Step 3: Cross multiply
    30,070.82x = 41,498.25 × 16,643.18
  4. Step 4: Simplify right side
    30,070.82x = 690,662,844.44
  5. Step 5: Solve for x
    x = 690,662,844.44/30,070.82
  6. Step 6: Final answer
    x = 22,967.88

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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.