Home / 47,941.80-71,912.70-43,276.20

Finding the Fourth Proportional to 47,941.80, 71,912.70 and 43,276.20

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Solution

The fourth proportional to 47,941.80, 71,912.70 and 43,276.20 is: 64,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,941.80 : 71,912.70 = 43,276.20 : x
  2. Step 2: Convert to fraction form
    47,941.80/71,912.70 = 43,276.20/x
  3. Step 3: Cross multiply
    47,941.80x = 71,912.70 × 43,276.20
  4. Step 4: Simplify right side
    47,941.80x = 3,112,108,387.74
  5. Step 5: Solve for x
    x = 3,112,108,387.74/47,941.80
  6. Step 6: Final answer
    x = 64,914.30

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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.