Home / 47,899.44-71,674.20-28,187.28

Finding the Fourth Proportional to 47,899.44, 71,674.20 and 28,187.28

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Solution

The fourth proportional to 47,899.44, 71,674.20 and 28,187.28 is: 42,177.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,899.44 : 71,674.20 = 28,187.28 : x
  2. Step 2: Convert to fraction form
    47,899.44/71,674.20 = 28,187.28/x
  3. Step 3: Cross multiply
    47,899.44x = 71,674.20 × 28,187.28
  4. Step 4: Simplify right side
    47,899.44x = 2,020,300,744.18
  5. Step 5: Solve for x
    x = 2,020,300,744.18/47,899.44
  6. Step 6: Final answer
    x = 42,177.96

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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.