Home / 47,731.32-71,591.44-12,673.72

Finding the Fourth Proportional to 47,731.32, 71,591.44 and 12,673.72

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Solution

The fourth proportional to 47,731.32, 71,591.44 and 12,673.72 is: 19,009.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,731.32 : 71,591.44 = 12,673.72 : x
  2. Step 2: Convert to fraction form
    47,731.32/71,591.44 = 12,673.72/x
  3. Step 3: Cross multiply
    47,731.32x = 71,591.44 × 12,673.72
  4. Step 4: Simplify right side
    47,731.32x = 907,329,864.96
  5. Step 5: Solve for x
    x = 907,329,864.96/47,731.32
  6. Step 6: Final answer
    x = 19,009.11

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1.5x scale

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.