Home / 40,313.47-55,505.53-36,576.78

Finding the Fourth Proportional to 40,313.47, 55,505.53 and 36,576.78

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Solution

The fourth proportional to 40,313.47, 55,505.53 and 36,576.78 is: 50,360.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,313.47 : 55,505.53 = 36,576.78 : x
  2. Step 2: Convert to fraction form
    40,313.47/55,505.53 = 36,576.78/x
  3. Step 3: Cross multiply
    40,313.47x = 55,505.53 × 36,576.78
  4. Step 4: Simplify right side
    40,313.47x = 2,030,213,559.59
  5. Step 5: Solve for x
    x = 2,030,213,559.59/40,313.47
  6. Step 6: Final answer
    x = 50,360.67

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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.