Home / 47,808.36-71,712.26-12,269.48

Finding the Fourth Proportional to 47,808.36, 71,712.26 and 12,269.48

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Solution

The fourth proportional to 47,808.36, 71,712.26 and 12,269.48 is: 18,404.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.36 : 71,712.26 = 12,269.48 : x
  2. Step 2: Convert to fraction form
    47,808.36/71,712.26 = 12,269.48/x
  3. Step 3: Cross multiply
    47,808.36x = 71,712.26 × 12,269.48
  4. Step 4: Simplify right side
    47,808.36x = 879,872,139.82
  5. Step 5: Solve for x
    x = 879,872,139.82/47,808.36
  6. Step 6: Final answer
    x = 18,404.15

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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.