Home / 47,846.56-66,035.04-28,727.20

Finding the Fourth Proportional to 47,846.56, 66,035.04 and 28,727.20

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Solution

The fourth proportional to 47,846.56, 66,035.04 and 28,727.20 is: 39,647.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,846.56 : 66,035.04 = 28,727.20 : x
  2. Step 2: Convert to fraction form
    47,846.56/66,035.04 = 28,727.20/x
  3. Step 3: Cross multiply
    47,846.56x = 66,035.04 × 28,727.20
  4. Step 4: Simplify right side
    47,846.56x = 1,897,001,801.09
  5. Step 5: Solve for x
    x = 1,897,001,801.09/47,846.56
  6. Step 6: Final answer
    x = 39,647.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.