Home / 47,810.03-71,640.11-30,242.75

Finding the Fourth Proportional to 47,810.03, 71,640.11 and 30,242.75

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Solution

The fourth proportional to 47,810.03, 71,640.11 and 30,242.75 is: 45,316.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,810.03 : 71,640.11 = 30,242.75 : x
  2. Step 2: Convert to fraction form
    47,810.03/71,640.11 = 30,242.75/x
  3. Step 3: Cross multiply
    47,810.03x = 71,640.11 × 30,242.75
  4. Step 4: Simplify right side
    47,810.03x = 2,166,593,936.70
  5. Step 5: Solve for x
    x = 2,166,593,936.70/47,810.03
  6. Step 6: Final answer
    x = 45,316.72

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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.