Home / 20,302.60-30,453.26-12,039.24

Finding the Fourth Proportional to 20,302.60, 30,453.26 and 12,039.24

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Solution

The fourth proportional to 20,302.60, 30,453.26 and 12,039.24 is: 18,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,302.60 : 30,453.26 = 12,039.24 : x
  2. Step 2: Convert to fraction form
    20,302.60/30,453.26 = 12,039.24/x
  3. Step 3: Cross multiply
    20,302.60x = 30,453.26 × 12,039.24
  4. Step 4: Simplify right side
    20,302.60x = 366,634,105.92
  5. Step 5: Solve for x
    x = 366,634,105.92/20,302.60
  6. Step 6: Final answer
    x = 18,058.48

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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.