Home / 30,395.34-41,940.45-16,966.08

Finding the Fourth Proportional to 30,395.34, 41,940.45 and 16,966.08

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Solution

The fourth proportional to 30,395.34, 41,940.45 and 16,966.08 is: 23,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,395.34 : 41,940.45 = 16,966.08 : x
  2. Step 2: Convert to fraction form
    30,395.34/41,940.45 = 16,966.08/x
  3. Step 3: Cross multiply
    30,395.34x = 41,940.45 × 16,966.08
  4. Step 4: Simplify right side
    30,395.34x = 711,565,029.94
  5. Step 5: Solve for x
    x = 711,565,029.94/30,395.34
  6. Step 6: Final answer
    x = 23,410.33

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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.