Home / 43,180.11-64,715.72-23,139.90

Finding the Fourth Proportional to 43,180.11, 64,715.72 and 23,139.90

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Solution

The fourth proportional to 43,180.11, 64,715.72 and 23,139.90 is: 34,680.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,180.11 : 64,715.72 = 23,139.90 : x
  2. Step 2: Convert to fraction form
    43,180.11/64,715.72 = 23,139.90/x
  3. Step 3: Cross multiply
    43,180.11x = 64,715.72 × 23,139.90
  4. Step 4: Simplify right side
    43,180.11x = 1,497,515,173.53
  5. Step 5: Solve for x
    x = 1,497,515,173.53/43,180.11
  6. Step 6: Final answer
    x = 34,680.67

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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.