Home / 30,257.42-45,391.01-12,732.26

Finding the Fourth Proportional to 30,257.42, 45,391.01 and 12,732.26

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Solution

The fourth proportional to 30,257.42, 45,391.01 and 12,732.26 is: 19,100.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,257.42 : 45,391.01 = 12,732.26 : x
  2. Step 2: Convert to fraction form
    30,257.42/45,391.01 = 12,732.26/x
  3. Step 3: Cross multiply
    30,257.42x = 45,391.01 × 12,732.26
  4. Step 4: Simplify right side
    30,257.42x = 577,929,850.37
  5. Step 5: Solve for x
    x = 577,929,850.37/30,257.42
  6. Step 6: Final answer
    x = 19,100.44

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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.