Home / 34,358.28-47,410-20,205.96

Finding the Fourth Proportional to 34,358.28, 47,410 and 20,205.96

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Solution

The fourth proportional to 34,358.28, 47,410 and 20,205.96 is: 27,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,358.28 : 47,410 = 20,205.96 : x
  2. Step 2: Convert to fraction form
    34,358.28/47,410 = 20,205.96/x
  3. Step 3: Cross multiply
    34,358.28x = 47,410 × 20,205.96
  4. Step 4: Simplify right side
    34,358.28x = 957,964,563.60
  5. Step 5: Solve for x
    x = 957,964,563.60/34,358.28
  6. Step 6: Final answer
    x = 27,881.62

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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.