Home / 54,172.40-81,190.94-26,087.22

Finding the Fourth Proportional to 54,172.40, 81,190.94 and 26,087.22

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Solution

The fourth proportional to 54,172.40, 81,190.94 and 26,087.22 is: 39,098.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,172.40 : 81,190.94 = 26,087.22 : x
  2. Step 2: Convert to fraction form
    54,172.40/81,190.94 = 26,087.22/x
  3. Step 3: Cross multiply
    54,172.40x = 81,190.94 × 26,087.22
  4. Step 4: Simplify right side
    54,172.40x = 2,118,045,913.79
  5. Step 5: Solve for x
    x = 2,118,045,913.79/54,172.40
  6. Step 6: Final answer
    x = 39,098.25

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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.