Home / 47,205.11-70,790.80-15,609.34

Finding the Fourth Proportional to 47,205.11, 70,790.80 and 15,609.34

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Solution

The fourth proportional to 47,205.11, 70,790.80 and 15,609.34 is: 23,408.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,205.11 : 70,790.80 = 15,609.34 : x
  2. Step 2: Convert to fraction form
    47,205.11/70,790.80 = 15,609.34/x
  3. Step 3: Cross multiply
    47,205.11x = 70,790.80 × 15,609.34
  4. Step 4: Simplify right side
    47,205.11x = 1,104,997,234.07
  5. Step 5: Solve for x
    x = 1,104,997,234.07/47,205.11
  6. Step 6: Final answer
    x = 23,408.43

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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.