Home / 34,769.32-47,969.20-21,152.68

Finding the Fourth Proportional to 34,769.32, 47,969.20 and 21,152.68

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Solution

The fourth proportional to 34,769.32, 47,969.20 and 21,152.68 is: 29,183.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,769.32 : 47,969.20 = 21,152.68 : x
  2. Step 2: Convert to fraction form
    34,769.32/47,969.20 = 21,152.68/x
  3. Step 3: Cross multiply
    34,769.32x = 47,969.20 × 21,152.68
  4. Step 4: Simplify right side
    34,769.32x = 1,014,677,137.46
  5. Step 5: Solve for x
    x = 1,014,677,137.46/34,769.32
  6. Step 6: Final answer
    x = 29,183.12

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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.