Home / 54,349.24-81,527.34-18,813.98

Finding the Fourth Proportional to 54,349.24, 81,527.34 and 18,813.98

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Solution

The fourth proportional to 54,349.24, 81,527.34 and 18,813.98 is: 28,222.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,349.24 : 81,527.34 = 18,813.98 : x
  2. Step 2: Convert to fraction form
    54,349.24/81,527.34 = 18,813.98/x
  3. Step 3: Cross multiply
    54,349.24x = 81,527.34 × 18,813.98
  4. Step 4: Simplify right side
    54,349.24x = 1,533,853,744.21
  5. Step 5: Solve for x
    x = 1,533,853,744.21/54,349.24
  6. Step 6: Final answer
    x = 28,222.17

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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.