Home / 41,246.10-61,848.45-20,187.78

Finding the Fourth Proportional to 41,246.10, 61,848.45 and 20,187.78

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Solution

The fourth proportional to 41,246.10, 61,848.45 and 20,187.78 is: 30,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,246.10 : 61,848.45 = 20,187.78 : x
  2. Step 2: Convert to fraction form
    41,246.10/61,848.45 = 20,187.78/x
  3. Step 3: Cross multiply
    41,246.10x = 61,848.45 × 20,187.78
  4. Step 4: Simplify right side
    41,246.10x = 1,248,582,901.94
  5. Step 5: Solve for x
    x = 1,248,582,901.94/41,246.10
  6. Step 6: Final answer
    x = 30,271.54

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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.