Home / 36,419.11-50,258.18-20,503.67

Finding the Fourth Proportional to 36,419.11, 50,258.18 and 20,503.67

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Solution

The fourth proportional to 36,419.11, 50,258.18 and 20,503.67 is: 28,294.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.11 : 50,258.18 = 20,503.67 : x
  2. Step 2: Convert to fraction form
    36,419.11/50,258.18 = 20,503.67/x
  3. Step 3: Cross multiply
    36,419.11x = 50,258.18 × 20,503.67
  4. Step 4: Simplify right side
    36,419.11x = 1,030,477,137.52
  5. Step 5: Solve for x
    x = 1,030,477,137.52/36,419.11
  6. Step 6: Final answer
    x = 28,294.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.