Home / 40,364.32-60,559.46-12,289.81

Finding the Fourth Proportional to 40,364.32, 60,559.46 and 12,289.81

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Solution

The fourth proportional to 40,364.32, 60,559.46 and 12,289.81 is: 18,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,364.32 : 60,559.46 = 12,289.81 : x
  2. Step 2: Convert to fraction form
    40,364.32/60,559.46 = 12,289.81/x
  3. Step 3: Cross multiply
    40,364.32x = 60,559.46 × 12,289.81
  4. Step 4: Simplify right side
    40,364.32x = 744,264,195.65
  5. Step 5: Solve for x
    x = 744,264,195.65/40,364.32
  6. Step 6: Final answer
    x = 18,438.67

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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.