Home / 40,405.44-55,751.12-23,635.20

Finding the Fourth Proportional to 40,405.44, 55,751.12 and 23,635.20

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Solution

The fourth proportional to 40,405.44, 55,751.12 and 23,635.20 is: 32,611.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,405.44 : 55,751.12 = 23,635.20 : x
  2. Step 2: Convert to fraction form
    40,405.44/55,751.12 = 23,635.20/x
  3. Step 3: Cross multiply
    40,405.44x = 55,751.12 × 23,635.20
  4. Step 4: Simplify right side
    40,405.44x = 1,317,688,871.42
  5. Step 5: Solve for x
    x = 1,317,688,871.42/40,405.44
  6. Step 6: Final answer
    x = 32,611.67

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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.