Home / 51,210.46-76,815.60-20,023.84

Finding the Fourth Proportional to 51,210.46, 76,815.60 and 20,023.84

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Solution

The fourth proportional to 51,210.46, 76,815.60 and 20,023.84 is: 30,035.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,210.46 : 76,815.60 = 20,023.84 : x
  2. Step 2: Convert to fraction form
    51,210.46/76,815.60 = 20,023.84/x
  3. Step 3: Cross multiply
    51,210.46x = 76,815.60 × 20,023.84
  4. Step 4: Simplify right side
    51,210.46x = 1,538,143,283.90
  5. Step 5: Solve for x
    x = 1,538,143,283.90/51,210.46
  6. Step 6: Final answer
    x = 30,035.72

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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.