Home / 20,450.73-30,656.66-13,034.37

Finding the Fourth Proportional to 20,450.73, 30,656.66 and 13,034.37

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Solution

The fourth proportional to 20,450.73, 30,656.66 and 13,034.37 is: 19,539.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,450.73 : 30,656.66 = 13,034.37 : x
  2. Step 2: Convert to fraction form
    20,450.73/30,656.66 = 13,034.37/x
  3. Step 3: Cross multiply
    20,450.73x = 30,656.66 × 13,034.37
  4. Step 4: Simplify right side
    20,450.73x = 399,590,184.23
  5. Step 5: Solve for x
    x = 399,590,184.23/20,450.73
  6. Step 6: Final answer
    x = 19,539.16

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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.