Home / 54,159.21-81,215.58-18,624.11

Finding the Fourth Proportional to 54,159.21, 81,215.58 and 18,624.11

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Solution

The fourth proportional to 54,159.21, 81,215.58 and 18,624.11 is: 27,928.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,159.21 : 81,215.58 = 18,624.11 : x
  2. Step 2: Convert to fraction form
    54,159.21/81,215.58 = 18,624.11/x
  3. Step 3: Cross multiply
    54,159.21x = 81,215.58 × 18,624.11
  4. Step 4: Simplify right side
    54,159.21x = 1,512,567,489.56
  5. Step 5: Solve for x
    x = 1,512,567,489.56/54,159.21
  6. Step 6: Final answer
    x = 27,928.17

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1.5x scale

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.