Home / 57,297.07-85,946.74-19,858.37

Finding the Fourth Proportional to 57,297.07, 85,946.74 and 19,858.37

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Solution

The fourth proportional to 57,297.07, 85,946.74 and 19,858.37 is: 29,787.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,297.07 : 85,946.74 = 19,858.37 : x
  2. Step 2: Convert to fraction form
    57,297.07/85,946.74 = 19,858.37/x
  3. Step 3: Cross multiply
    57,297.07x = 85,946.74 × 19,858.37
  4. Step 4: Simplify right side
    57,297.07x = 1,706,761,683.83
  5. Step 5: Solve for x
    x = 1,706,761,683.83/57,297.07
  6. Step 6: Final answer
    x = 29,787.94

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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.