Home / 55,939.76-83,889.65-18,492.92

Finding the Fourth Proportional to 55,939.76, 83,889.65 and 18,492.92

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Solution

The fourth proportional to 55,939.76, 83,889.65 and 18,492.92 is: 27,732.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,939.76 : 83,889.65 = 18,492.92 : x
  2. Step 2: Convert to fraction form
    55,939.76/83,889.65 = 18,492.92/x
  3. Step 3: Cross multiply
    55,939.76x = 83,889.65 × 18,492.92
  4. Step 4: Simplify right side
    55,939.76x = 1,551,364,074.37
  5. Step 5: Solve for x
    x = 1,551,364,074.37/55,939.76
  6. Step 6: Final answer
    x = 27,732.76

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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.