Home / 38,351.80-57,533.37-19,642.42

Finding the Fourth Proportional to 38,351.80, 57,533.37 and 19,642.42

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Solution

The fourth proportional to 38,351.80, 57,533.37 and 19,642.42 is: 29,466.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,351.80 : 57,533.37 = 19,642.42 : x
  2. Step 2: Convert to fraction form
    38,351.80/57,533.37 = 19,642.42/x
  3. Step 3: Cross multiply
    38,351.80x = 57,533.37 × 19,642.42
  4. Step 4: Simplify right side
    38,351.80x = 1,130,094,617.56
  5. Step 5: Solve for x
    x = 1,130,094,617.56/38,351.80
  6. Step 6: Final answer
    x = 29,466.53

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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.