Home / 53,883.96-80,816.28-18,833.64

Finding the Fourth Proportional to 53,883.96, 80,816.28 and 18,833.64

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Solution

The fourth proportional to 53,883.96, 80,816.28 and 18,833.64 is: 28,247.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,883.96 : 80,816.28 = 18,833.64 : x
  2. Step 2: Convert to fraction form
    53,883.96/80,816.28 = 18,833.64/x
  3. Step 3: Cross multiply
    53,883.96x = 80,816.28 × 18,833.64
  4. Step 4: Simplify right side
    53,883.96x = 1,522,064,723.66
  5. Step 5: Solve for x
    x = 1,522,064,723.66/53,883.96
  6. Step 6: Final answer
    x = 28,247.08

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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.