Home / 47,731.44-71,599.06-12,671.40

Finding the Fourth Proportional to 47,731.44, 71,599.06 and 12,671.40

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Solution

The fourth proportional to 47,731.44, 71,599.06 and 12,671.40 is: 19,007.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.44 : 71,599.06 = 12,671.40 : x
  2. Step 2: Convert to fraction form
    47,731.44/71,599.06 = 12,671.40/x
  3. Step 3: Cross multiply
    47,731.44x = 71,599.06 × 12,671.40
  4. Step 4: Simplify right side
    47,731.44x = 907,260,328.88
  5. Step 5: Solve for x
    x = 907,260,328.88/47,731.44
  6. Step 6: Final answer
    x = 19,007.60

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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.