Home / 47,321.96-70,984.74-12,261.72

Finding the Fourth Proportional to 47,321.96, 70,984.74 and 12,261.72

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Solution

The fourth proportional to 47,321.96, 70,984.74 and 12,261.72 is: 18,393.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321.96 : 70,984.74 = 12,261.72 : x
  2. Step 2: Convert to fraction form
    47,321.96/70,984.74 = 12,261.72/x
  3. Step 3: Cross multiply
    47,321.96x = 70,984.74 × 12,261.72
  4. Step 4: Simplify right side
    47,321.96x = 870,395,006.15
  5. Step 5: Solve for x
    x = 870,395,006.15/47,321.96
  6. Step 6: Final answer
    x = 18,393.05

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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.