Home / 30,384.21-45,560.52-13,736.28

Finding the Fourth Proportional to 30,384.21, 45,560.52 and 13,736.28

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Solution

The fourth proportional to 30,384.21, 45,560.52 and 13,736.28 is: 20,597.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,384.21 : 45,560.52 = 13,736.28 : x
  2. Step 2: Convert to fraction form
    30,384.21/45,560.52 = 13,736.28/x
  3. Step 3: Cross multiply
    30,384.21x = 45,560.52 × 13,736.28
  4. Step 4: Simplify right side
    30,384.21x = 625,832,059.67
  5. Step 5: Solve for x
    x = 625,832,059.67/30,384.21
  6. Step 6: Final answer
    x = 20,597.28

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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.