Home / 20,073.36-30,139.20-14,824.56

Finding the Fourth Proportional to 20,073.36, 30,139.20 and 14,824.56

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Solution

The fourth proportional to 20,073.36, 30,139.20 and 14,824.56 is: 22,258.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,073.36 : 30,139.20 = 14,824.56 : x
  2. Step 2: Convert to fraction form
    20,073.36/30,139.20 = 14,824.56/x
  3. Step 3: Cross multiply
    20,073.36x = 30,139.20 × 14,824.56
  4. Step 4: Simplify right side
    20,073.36x = 446,800,378.75
  5. Step 5: Solve for x
    x = 446,800,378.75/20,073.36
  6. Step 6: Final answer
    x = 22,258.38

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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.