Home / 30,583.14-45,886.26-20,814.54

Finding the Fourth Proportional to 30,583.14, 45,886.26 and 20,814.54

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Solution

The fourth proportional to 30,583.14, 45,886.26 and 20,814.54 is: 31,229.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,583.14 : 45,886.26 = 20,814.54 : x
  2. Step 2: Convert to fraction form
    30,583.14/45,886.26 = 20,814.54/x
  3. Step 3: Cross multiply
    30,583.14x = 45,886.26 × 20,814.54
  4. Step 4: Simplify right side
    30,583.14x = 955,101,394.22
  5. Step 5: Solve for x
    x = 955,101,394.22/30,583.14
  6. Step 6: Final answer
    x = 31,229.67

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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.