Home / 52,266.44-72,128.20-28,393.58

Finding the Fourth Proportional to 52,266.44, 72,128.20 and 28,393.58

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Solution

The fourth proportional to 52,266.44, 72,128.20 and 28,393.58 is: 39,183.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,266.44 : 72,128.20 = 28,393.58 : x
  2. Step 2: Convert to fraction form
    52,266.44/72,128.20 = 28,393.58/x
  3. Step 3: Cross multiply
    52,266.44x = 72,128.20 × 28,393.58
  4. Step 4: Simplify right side
    52,266.44x = 2,047,977,816.96
  5. Step 5: Solve for x
    x = 2,047,977,816.96/52,266.44
  6. Step 6: Final answer
    x = 39,183.42

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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.