Home / 47,314.80-70,975.44-12,258

Finding the Fourth Proportional to 47,314.80, 70,975.44 and 12,258

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Solution

The fourth proportional to 47,314.80, 70,975.44 and 12,258 is: 18,387.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,314.80 : 70,975.44 = 12,258 : x
  2. Step 2: Convert to fraction form
    47,314.80/70,975.44 = 12,258/x
  3. Step 3: Cross multiply
    47,314.80x = 70,975.44 × 12,258
  4. Step 4: Simplify right side
    47,314.80x = 870,016,943.52
  5. Step 5: Solve for x
    x = 870,016,943.52/47,314.80
  6. Step 6: Final answer
    x = 18,387.84

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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.