Home / 38,069.06-57,109.07-11,775.84

Finding the Fourth Proportional to 38,069.06, 57,109.07 and 11,775.84

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Solution

The fourth proportional to 38,069.06, 57,109.07 and 11,775.84 is: 17,665.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,069.06 : 57,109.07 = 11,775.84 : x
  2. Step 2: Convert to fraction form
    38,069.06/57,109.07 = 11,775.84/x
  3. Step 3: Cross multiply
    38,069.06x = 57,109.07 × 11,775.84
  4. Step 4: Simplify right side
    38,069.06x = 672,507,270.87
  5. Step 5: Solve for x
    x = 672,507,270.87/38,069.06
  6. Step 6: Final answer
    x = 17,665.46

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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.