Home / 47,115.88-70,673.46-12,055.48

Finding the Fourth Proportional to 47,115.88, 70,673.46 and 12,055.48

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Solution

The fourth proportional to 47,115.88, 70,673.46 and 12,055.48 is: 18,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.88 : 70,673.46 = 12,055.48 : x
  2. Step 2: Convert to fraction form
    47,115.88/70,673.46 = 12,055.48/x
  3. Step 3: Cross multiply
    47,115.88x = 70,673.46 × 12,055.48
  4. Step 4: Simplify right side
    47,115.88x = 852,002,483.56
  5. Step 5: Solve for x
    x = 852,002,483.56/47,115.88
  6. Step 6: Final answer
    x = 18,083.13

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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.