Home / 54,001.70-80,994.32-20,737.43

Finding the Fourth Proportional to 54,001.70, 80,994.32 and 20,737.43

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Solution

The fourth proportional to 54,001.70, 80,994.32 and 20,737.43 is: 31,102.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,001.70 : 80,994.32 = 20,737.43 : x
  2. Step 2: Convert to fraction form
    54,001.70/80,994.32 = 20,737.43/x
  3. Step 3: Cross multiply
    54,001.70x = 80,994.32 × 20,737.43
  4. Step 4: Simplify right side
    54,001.70x = 1,679,613,532.74
  5. Step 5: Solve for x
    x = 1,679,613,532.74/54,001.70
  6. Step 6: Final answer
    x = 31,102.98

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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.