Home / 38,065.14-57,080.03-20,291.31

Finding the Fourth Proportional to 38,065.14, 57,080.03 and 20,291.31

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Solution

The fourth proportional to 38,065.14, 57,080.03 and 20,291.31 is: 30,427.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,065.14 : 57,080.03 = 20,291.31 : x
  2. Step 2: Convert to fraction form
    38,065.14/57,080.03 = 20,291.31/x
  3. Step 3: Cross multiply
    38,065.14x = 57,080.03 × 20,291.31
  4. Step 4: Simplify right side
    38,065.14x = 1,158,228,482.08
  5. Step 5: Solve for x
    x = 1,158,228,482.08/38,065.14
  6. Step 6: Final answer
    x = 30,427.54

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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.