Home / 38,357.80-57,542.37-19,648.42

Finding the Fourth Proportional to 38,357.80, 57,542.37 and 19,648.42

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Solution

The fourth proportional to 38,357.80, 57,542.37 and 19,648.42 is: 29,475.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.80 : 57,542.37 = 19,648.42 : x
  2. Step 2: Convert to fraction form
    38,357.80/57,542.37 = 19,648.42/x
  3. Step 3: Cross multiply
    38,357.80x = 57,542.37 × 19,648.42
  4. Step 4: Simplify right side
    38,357.80x = 1,130,616,653.56
  5. Step 5: Solve for x
    x = 1,130,616,653.56/38,357.80
  6. Step 6: Final answer
    x = 29,475.53

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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.