Home / 30,027.25-45,039.97-12,496.63

Finding the Fourth Proportional to 30,027.25, 45,039.97 and 12,496.63

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Solution

The fourth proportional to 30,027.25, 45,039.97 and 12,496.63 is: 18,744.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,027.25 : 45,039.97 = 12,496.63 : x
  2. Step 2: Convert to fraction form
    30,027.25/45,039.97 = 12,496.63/x
  3. Step 3: Cross multiply
    30,027.25x = 45,039.97 × 12,496.63
  4. Step 4: Simplify right side
    30,027.25x = 562,847,840.30
  5. Step 5: Solve for x
    x = 562,847,840.30/30,027.25
  6. Step 6: Final answer
    x = 18,744.57

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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.