Home / 47,724.12-71,546.76-21,051.09

Finding the Fourth Proportional to 47,724.12, 71,546.76 and 21,051.09

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Solution

The fourth proportional to 47,724.12, 71,546.76 and 21,051.09 is: 31,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,724.12 : 71,546.76 = 21,051.09 : x
  2. Step 2: Convert to fraction form
    47,724.12/71,546.76 = 21,051.09/x
  3. Step 3: Cross multiply
    47,724.12x = 71,546.76 × 21,051.09
  4. Step 4: Simplify right side
    47,724.12x = 1,506,137,283.97
  5. Step 5: Solve for x
    x = 1,506,137,283.97/47,724.12
  6. Step 6: Final answer
    x = 31,559.25

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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.