Home / 49,848.24-68,813.60-30,731.42

Finding the Fourth Proportional to 49,848.24, 68,813.60 and 30,731.42

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Solution

The fourth proportional to 49,848.24, 68,813.60 and 30,731.42 is: 42,423.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,848.24 : 68,813.60 = 30,731.42 : x
  2. Step 2: Convert to fraction form
    49,848.24/68,813.60 = 30,731.42/x
  3. Step 3: Cross multiply
    49,848.24x = 68,813.60 × 30,731.42
  4. Step 4: Simplify right side
    49,848.24x = 2,114,739,643.31
  5. Step 5: Solve for x
    x = 2,114,739,643.31/49,848.24
  6. Step 6: Final answer
    x = 42,423.56

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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.