Home / 40,963.81-56,499.87-30,892.67

Finding the Fourth Proportional to 40,963.81, 56,499.87 and 30,892.67

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Solution

The fourth proportional to 40,963.81, 56,499.87 and 30,892.67 is: 42,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,963.81 : 56,499.87 = 30,892.67 : x
  2. Step 2: Convert to fraction form
    40,963.81/56,499.87 = 30,892.67/x
  3. Step 3: Cross multiply
    40,963.81x = 56,499.87 × 30,892.67
  4. Step 4: Simplify right side
    40,963.81x = 1,745,432,096.05
  5. Step 5: Solve for x
    x = 1,745,432,096.05/40,963.81
  6. Step 6: Final answer
    x = 42,609.13

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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.