Home / 51,194.48-70,652.49-28,540.81

Finding the Fourth Proportional to 51,194.48, 70,652.49 and 28,540.81

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Solution

The fourth proportional to 51,194.48, 70,652.49 and 28,540.81 is: 39,388.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,194.48 : 70,652.49 = 28,540.81 : x
  2. Step 2: Convert to fraction form
    51,194.48/70,652.49 = 28,540.81/x
  3. Step 3: Cross multiply
    51,194.48x = 70,652.49 × 28,540.81
  4. Step 4: Simplify right side
    51,194.48x = 2,016,478,939.85
  5. Step 5: Solve for x
    x = 2,016,478,939.85/51,194.48
  6. Step 6: Final answer
    x = 39,388.60

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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.