Home / 54,090.56-81,135.84-14,647.67

Finding the Fourth Proportional to 54,090.56, 81,135.84 and 14,647.67

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Solution

The fourth proportional to 54,090.56, 81,135.84 and 14,647.67 is: 21,971.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,090.56 : 81,135.84 = 14,647.67 : x
  2. Step 2: Convert to fraction form
    54,090.56/81,135.84 = 14,647.67/x
  3. Step 3: Cross multiply
    54,090.56x = 81,135.84 × 14,647.67
  4. Step 4: Simplify right side
    54,090.56x = 1,188,450,603.81
  5. Step 5: Solve for x
    x = 1,188,450,603.81/54,090.56
  6. Step 6: Final answer
    x = 21,971.50

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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.