Home / 52,719.54-78,951.33-28,990.86

Finding the Fourth Proportional to 52,719.54, 78,951.33 and 28,990.86

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Solution

The fourth proportional to 52,719.54, 78,951.33 and 28,990.86 is: 43,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,719.54 : 78,951.33 = 28,990.86 : x
  2. Step 2: Convert to fraction form
    52,719.54/78,951.33 = 28,990.86/x
  3. Step 3: Cross multiply
    52,719.54x = 78,951.33 × 28,990.86
  4. Step 4: Simplify right side
    52,719.54x = 2,288,866,954.84
  5. Step 5: Solve for x
    x = 2,288,866,954.84/52,719.54
  6. Step 6: Final answer
    x = 43,415.91

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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.