Home / 36,699.20-55,043.40-10,406.60

Finding the Fourth Proportional to 36,699.20, 55,043.40 and 10,406.60

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Solution

The fourth proportional to 36,699.20, 55,043.40 and 10,406.60 is: 15,608.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,699.20 : 55,043.40 = 10,406.60 : x
  2. Step 2: Convert to fraction form
    36,699.20/55,043.40 = 10,406.60/x
  3. Step 3: Cross multiply
    36,699.20x = 55,043.40 × 10,406.60
  4. Step 4: Simplify right side
    36,699.20x = 572,814,646.44
  5. Step 5: Solve for x
    x = 572,814,646.44/36,699.20
  6. Step 6: Final answer
    x = 15,608.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.