Home / 32,961.90-45,490.68-18,816.84

Finding the Fourth Proportional to 32,961.90, 45,490.68 and 18,816.84

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Solution

The fourth proportional to 32,961.90, 45,490.68 and 18,816.84 is: 25,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.90 : 45,490.68 = 18,816.84 : x
  2. Step 2: Convert to fraction form
    32,961.90/45,490.68 = 18,816.84/x
  3. Step 3: Cross multiply
    32,961.90x = 45,490.68 × 18,816.84
  4. Step 4: Simplify right side
    32,961.90x = 855,990,847.05
  5. Step 5: Solve for x
    x = 855,990,847.05/32,961.90
  6. Step 6: Final answer
    x = 25,969.10

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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.