Home / 49,391.52-68,171.40-31,482.96

Finding the Fourth Proportional to 49,391.52, 68,171.40 and 31,482.96

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Solution

The fourth proportional to 49,391.52, 68,171.40 and 31,482.96 is: 43,453.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,391.52 : 68,171.40 = 31,482.96 : x
  2. Step 2: Convert to fraction form
    49,391.52/68,171.40 = 31,482.96/x
  3. Step 3: Cross multiply
    49,391.52x = 68,171.40 × 31,482.96
  4. Step 4: Simplify right side
    49,391.52x = 2,146,237,459.34
  5. Step 5: Solve for x
    x = 2,146,237,459.34/49,391.52
  6. Step 6: Final answer
    x = 43,453.56

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1.5x scale

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.