Home / 30,284.96-45,393.60-15,450.08

Finding the Fourth Proportional to 30,284.96, 45,393.60 and 15,450.08

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Solution

The fourth proportional to 30,284.96, 45,393.60 and 15,450.08 is: 23,157.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.96 : 45,393.60 = 15,450.08 : x
  2. Step 2: Convert to fraction form
    30,284.96/45,393.60 = 15,450.08/x
  3. Step 3: Cross multiply
    30,284.96x = 45,393.60 × 15,450.08
  4. Step 4: Simplify right side
    30,284.96x = 701,334,751.49
  5. Step 5: Solve for x
    x = 701,334,751.49/30,284.96
  6. Step 6: Final answer
    x = 23,157.86

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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.