Home / 47,944.64-71,916.90-12,884.28

Finding the Fourth Proportional to 47,944.64, 71,916.90 and 12,884.28

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Solution

The fourth proportional to 47,944.64, 71,916.90 and 12,884.28 is: 19,326.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944.64 : 71,916.90 = 12,884.28 : x
  2. Step 2: Convert to fraction form
    47,944.64/71,916.90 = 12,884.28/x
  3. Step 3: Cross multiply
    47,944.64x = 71,916.90 × 12,884.28
  4. Step 4: Simplify right side
    47,944.64x = 926,597,476.33
  5. Step 5: Solve for x
    x = 926,597,476.33/47,944.64
  6. Step 6: Final answer
    x = 19,326.41

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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.