Home / 30,262.36-45,436.08-15,481.88

Finding the Fourth Proportional to 30,262.36, 45,436.08 and 15,481.88

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Solution

The fourth proportional to 30,262.36, 45,436.08 and 15,481.88 is: 23,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.36 : 45,436.08 = 15,481.88 : x
  2. Step 2: Convert to fraction form
    30,262.36/45,436.08 = 15,481.88/x
  3. Step 3: Cross multiply
    30,262.36x = 45,436.08 × 15,481.88
  4. Step 4: Simplify right side
    30,262.36x = 703,435,938.23
  5. Step 5: Solve for x
    x = 703,435,938.23/30,262.36
  6. Step 6: Final answer
    x = 23,244.58

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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.