Home / 30,402.24-45,608.22-12,872.22

Finding the Fourth Proportional to 30,402.24, 45,608.22 and 12,872.22

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Solution

The fourth proportional to 30,402.24, 45,608.22 and 12,872.22 is: 19,310.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,402.24 : 45,608.22 = 12,872.22 : x
  2. Step 2: Convert to fraction form
    30,402.24/45,608.22 = 12,872.22/x
  3. Step 3: Cross multiply
    30,402.24x = 45,608.22 × 12,872.22
  4. Step 4: Simplify right side
    30,402.24x = 587,079,041.65
  5. Step 5: Solve for x
    x = 587,079,041.65/30,402.24
  6. Step 6: Final answer
    x = 19,310.39

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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.