Home / 30,342.03-45,496.56-13,682.56

Finding the Fourth Proportional to 30,342.03, 45,496.56 and 13,682.56

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Solution

The fourth proportional to 30,342.03, 45,496.56 and 13,682.56 is: 20,516.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.03 : 45,496.56 = 13,682.56 : x
  2. Step 2: Convert to fraction form
    30,342.03/45,496.56 = 13,682.56/x
  3. Step 3: Cross multiply
    30,342.03x = 45,496.56 × 13,682.56
  4. Step 4: Simplify right side
    30,342.03x = 622,509,411.99
  5. Step 5: Solve for x
    x = 622,509,411.99/30,342.03
  6. Step 6: Final answer
    x = 20,516.41

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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.