Home / 47,688.03-71,515.44-13,945.01

Finding the Fourth Proportional to 47,688.03, 71,515.44 and 13,945.01

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Solution

The fourth proportional to 47,688.03, 71,515.44 and 13,945.01 is: 20,912.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,688.03 : 71,515.44 = 13,945.01 : x
  2. Step 2: Convert to fraction form
    47,688.03/71,515.44 = 13,945.01/x
  3. Step 3: Cross multiply
    47,688.03x = 71,515.44 × 13,945.01
  4. Step 4: Simplify right side
    47,688.03x = 997,283,168.38
  5. Step 5: Solve for x
    x = 997,283,168.38/47,688.03
  6. Step 6: Final answer
    x = 20,912.65

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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.