Home / 47,644.09-71,460.63-12,586.48

Finding the Fourth Proportional to 47,644.09, 71,460.63 and 12,586.48

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Solution

The fourth proportional to 47,644.09, 71,460.63 and 12,586.48 is: 18,878.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,644.09 : 71,460.63 = 12,586.48 : x
  2. Step 2: Convert to fraction form
    47,644.09/71,460.63 = 12,586.48/x
  3. Step 3: Cross multiply
    47,644.09x = 71,460.63 × 12,586.48
  4. Step 4: Simplify right side
    47,644.09x = 899,437,790.28
  5. Step 5: Solve for x
    x = 899,437,790.28/47,644.09
  6. Step 6: Final answer
    x = 18,878.27

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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.