Home / 30,286.22-45,436.65-9,509.72

Finding the Fourth Proportional to 30,286.22, 45,436.65 and 9,509.72

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Solution

The fourth proportional to 30,286.22, 45,436.65 and 9,509.72 is: 14,266.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.22 : 45,436.65 = 9,509.72 : x
  2. Step 2: Convert to fraction form
    30,286.22/45,436.65 = 9,509.72/x
  3. Step 3: Cross multiply
    30,286.22x = 45,436.65 × 9,509.72
  4. Step 4: Simplify right side
    30,286.22x = 432,089,705.65
  5. Step 5: Solve for x
    x = 432,089,705.65/30,286.22
  6. Step 6: Final answer
    x = 14,266.88

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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.