Home / 30,235.14-45,357.37-15,436.04

Finding the Fourth Proportional to 30,235.14, 45,357.37 and 15,436.04

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Solution

The fourth proportional to 30,235.14, 45,357.37 and 15,436.04 is: 23,156.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.14 : 45,357.37 = 15,436.04 : x
  2. Step 2: Convert to fraction form
    30,235.14/45,357.37 = 15,436.04/x
  3. Step 3: Cross multiply
    30,235.14x = 45,357.37 × 15,436.04
  4. Step 4: Simplify right side
    30,235.14x = 700,137,912.24
  5. Step 5: Solve for x
    x = 700,137,912.24/30,235.14
  6. Step 6: Final answer
    x = 23,156.43

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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.