Home / 40,330.27-60,507.71-20,622.67

Finding the Fourth Proportional to 40,330.27, 60,507.71 and 20,622.67

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Solution

The fourth proportional to 40,330.27, 60,507.71 and 20,622.67 is: 30,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,330.27 : 60,507.71 = 20,622.67 : x
  2. Step 2: Convert to fraction form
    40,330.27/60,507.71 = 20,622.67/x
  3. Step 3: Cross multiply
    40,330.27x = 60,507.71 × 20,622.67
  4. Step 4: Simplify right side
    40,330.27x = 1,247,830,535.79
  5. Step 5: Solve for x
    x = 1,247,830,535.79/40,330.27
  6. Step 6: Final answer
    x = 30,940.30

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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.