Home / 55,923.84-83,835.70-20,360.06

Finding the Fourth Proportional to 55,923.84, 83,835.70 and 20,360.06

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Solution

The fourth proportional to 55,923.84, 83,835.70 and 20,360.06 is: 30,521.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,923.84 : 83,835.70 = 20,360.06 : x
  2. Step 2: Convert to fraction form
    55,923.84/83,835.70 = 20,360.06/x
  3. Step 3: Cross multiply
    55,923.84x = 83,835.70 × 20,360.06
  4. Step 4: Simplify right side
    55,923.84x = 1,706,899,882.14
  5. Step 5: Solve for x
    x = 1,706,899,882.14/55,923.84
  6. Step 6: Final answer
    x = 30,521.86

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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.