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Finding the Fourth Proportional to 54,018.40, 80,998.80 and 22,818.40

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Solution

The fourth proportional to 54,018.40, 80,998.80 and 22,818.40 is: 34,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,018.40 : 80,998.80 = 22,818.40 : x
  2. Step 2: Convert to fraction form
    54,018.40/80,998.80 = 22,818.40/x
  3. Step 3: Cross multiply
    54,018.40x = 80,998.80 × 22,818.40
  4. Step 4: Simplify right side
    54,018.40x = 1,848,263,017.92
  5. Step 5: Solve for x
    x = 1,848,263,017.92/54,018.40
  6. Step 6: Final answer
    x = 34,215.43

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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.