Home / 38,280.14-57,431.87-19,573.30

Finding the Fourth Proportional to 38,280.14, 57,431.87 and 19,573.30

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Solution

The fourth proportional to 38,280.14, 57,431.87 and 19,573.30 is: 29,365.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,280.14 : 57,431.87 = 19,573.30 : x
  2. Step 2: Convert to fraction form
    38,280.14/57,431.87 = 19,573.30/x
  3. Step 3: Cross multiply
    38,280.14x = 57,431.87 × 19,573.30
  4. Step 4: Simplify right side
    38,280.14x = 1,124,131,221.07
  5. Step 5: Solve for x
    x = 1,124,131,221.07/38,280.14
  6. Step 6: Final answer
    x = 29,365.91

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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.