Home / 43,777.02-65,665.89-18,815.34

Finding the Fourth Proportional to 43,777.02, 65,665.89 and 18,815.34

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Solution

The fourth proportional to 43,777.02, 65,665.89 and 18,815.34 is: 28,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,777.02 : 65,665.89 = 18,815.34 : x
  2. Step 2: Convert to fraction form
    43,777.02/65,665.89 = 18,815.34/x
  3. Step 3: Cross multiply
    43,777.02x = 65,665.89 × 18,815.34
  4. Step 4: Simplify right side
    43,777.02x = 1,235,526,046.75
  5. Step 5: Solve for x
    x = 1,235,526,046.75/43,777.02
  6. Step 6: Final answer
    x = 28,223.16

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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.