Home / 30,436.64-45,647.52-15,626.72

Finding the Fourth Proportional to 30,436.64, 45,647.52 and 15,626.72

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Solution

The fourth proportional to 30,436.64, 45,647.52 and 15,626.72 is: 23,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,436.64 : 45,647.52 = 15,626.72 : x
  2. Step 2: Convert to fraction form
    30,436.64/45,647.52 = 15,626.72/x
  3. Step 3: Cross multiply
    30,436.64x = 45,647.52 × 15,626.72
  4. Step 4: Simplify right side
    30,436.64x = 713,321,013.73
  5. Step 5: Solve for x
    x = 713,321,013.73/30,436.64
  6. Step 6: Final answer
    x = 23,436.26

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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.