Home / 36,579.05-54,870.48-11,621.06

Finding the Fourth Proportional to 36,579.05, 54,870.48 and 11,621.06

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Solution

The fourth proportional to 36,579.05, 54,870.48 and 11,621.06 is: 17,432.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,579.05 : 54,870.48 = 11,621.06 : x
  2. Step 2: Convert to fraction form
    36,579.05/54,870.48 = 11,621.06/x
  3. Step 3: Cross multiply
    36,579.05x = 54,870.48 × 11,621.06
  4. Step 4: Simplify right side
    36,579.05x = 637,652,865.96
  5. Step 5: Solve for x
    x = 637,652,865.96/36,579.05
  6. Step 6: Final answer
    x = 17,432.19

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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.