Home / 34,765.11-47,958.19-21,996.77

Finding the Fourth Proportional to 34,765.11, 47,958.19 and 21,996.77

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Solution

The fourth proportional to 34,765.11, 47,958.19 and 21,996.77 is: 30,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,765.11 : 47,958.19 = 21,996.77 : x
  2. Step 2: Convert to fraction form
    34,765.11/47,958.19 = 21,996.77/x
  3. Step 3: Cross multiply
    34,765.11x = 47,958.19 × 21,996.77
  4. Step 4: Simplify right side
    34,765.11x = 1,054,924,980.26
  5. Step 5: Solve for x
    x = 1,054,924,980.26/34,765.11
  6. Step 6: Final answer
    x = 30,344.36

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Double scale
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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.