Home / 47,548.82-71,323.23-12,488.42

Finding the Fourth Proportional to 47,548.82, 71,323.23 and 12,488.42

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Solution

The fourth proportional to 47,548.82, 71,323.23 and 12,488.42 is: 18,732.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,548.82 : 71,323.23 = 12,488.42 : x
  2. Step 2: Convert to fraction form
    47,548.82/71,323.23 = 12,488.42/x
  3. Step 3: Cross multiply
    47,548.82x = 71,323.23 × 12,488.42
  4. Step 4: Simplify right side
    47,548.82x = 890,714,452.00
  5. Step 5: Solve for x
    x = 890,714,452.00/47,548.82
  6. Step 6: Final answer
    x = 18,732.63

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1.5x scale

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.