Home / 30,485.08-45,694.26-15,694.82

Finding the Fourth Proportional to 30,485.08, 45,694.26 and 15,694.82

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Solution

The fourth proportional to 30,485.08, 45,694.26 and 15,694.82 is: 23,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,485.08 : 45,694.26 = 15,694.82 : x
  2. Step 2: Convert to fraction form
    30,485.08/45,694.26 = 15,694.82/x
  3. Step 3: Cross multiply
    30,485.08x = 45,694.26 × 15,694.82
  4. Step 4: Simplify right side
    30,485.08x = 717,163,128.62
  5. Step 5: Solve for x
    x = 717,163,128.62/30,485.08
  6. Step 6: Final answer
    x = 23,525.05

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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.