Home / 32,986.78-45,520.62-19,550.06

Finding the Fourth Proportional to 32,986.78, 45,520.62 and 19,550.06

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Solution

The fourth proportional to 32,986.78, 45,520.62 and 19,550.06 is: 26,978.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,986.78 : 45,520.62 = 19,550.06 : x
  2. Step 2: Convert to fraction form
    32,986.78/45,520.62 = 19,550.06/x
  3. Step 3: Cross multiply
    32,986.78x = 45,520.62 × 19,550.06
  4. Step 4: Simplify right side
    32,986.78x = 889,930,722.02
  5. Step 5: Solve for x
    x = 889,930,722.02/32,986.78
  6. Step 6: Final answer
    x = 26,978.41

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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.