Home / 30,065.82-45,096.57-13,427.34

Finding the Fourth Proportional to 30,065.82, 45,096.57 and 13,427.34

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Solution

The fourth proportional to 30,065.82, 45,096.57 and 13,427.34 is: 20,140.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.82 : 45,096.57 = 13,427.34 : x
  2. Step 2: Convert to fraction form
    30,065.82/45,096.57 = 13,427.34/x
  3. Step 3: Cross multiply
    30,065.82x = 45,096.57 × 13,427.34
  4. Step 4: Simplify right side
    30,065.82x = 605,526,978.22
  5. Step 5: Solve for x
    x = 605,526,978.22/30,065.82
  6. Step 6: Final answer
    x = 20,140.05

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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.