Home / 53,898.32-80,857.26-18,357.81

Finding the Fourth Proportional to 53,898.32, 80,857.26 and 18,357.81

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Solution

The fourth proportional to 53,898.32, 80,857.26 and 18,357.81 is: 27,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898.32 : 80,857.26 = 18,357.81 : x
  2. Step 2: Convert to fraction form
    53,898.32/80,857.26 = 18,357.81/x
  3. Step 3: Cross multiply
    53,898.32x = 80,857.26 × 18,357.81
  4. Step 4: Simplify right side
    53,898.32x = 1,484,362,216.20
  5. Step 5: Solve for x
    x = 1,484,362,216.20/53,898.32
  6. Step 6: Final answer
    x = 27,540.05

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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.