Home / 43,611.20-65,410.56-14,025.12

Finding the Fourth Proportional to 43,611.20, 65,410.56 and 14,025.12

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Solution

The fourth proportional to 43,611.20, 65,410.56 and 14,025.12 is: 21,035.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.20 : 65,410.56 = 14,025.12 : x
  2. Step 2: Convert to fraction form
    43,611.20/65,410.56 = 14,025.12/x
  3. Step 3: Cross multiply
    43,611.20x = 65,410.56 × 14,025.12
  4. Step 4: Simplify right side
    43,611.20x = 917,390,953.27
  5. Step 5: Solve for x
    x = 917,390,953.27/43,611.20
  6. Step 6: Final answer
    x = 21,035.67

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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.