Home / 30,025.08-45,002.45-12,244.65

Finding the Fourth Proportional to 30,025.08, 45,002.45 and 12,244.65

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Solution

The fourth proportional to 30,025.08, 45,002.45 and 12,244.65 is: 18,352.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,025.08 : 45,002.45 = 12,244.65 : x
  2. Step 2: Convert to fraction form
    30,025.08/45,002.45 = 12,244.65/x
  3. Step 3: Cross multiply
    30,025.08x = 45,002.45 × 12,244.65
  4. Step 4: Simplify right side
    30,025.08x = 551,039,379.89
  5. Step 5: Solve for x
    x = 551,039,379.89/30,025.08
  6. Step 6: Final answer
    x = 18,352.64

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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.