Home / 47,944.08-66,141.90-31,815.36

Finding the Fourth Proportional to 47,944.08, 66,141.90 and 31,815.36

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Solution

The fourth proportional to 47,944.08, 66,141.90 and 31,815.36 is: 43,891.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,944.08 : 66,141.90 = 31,815.36 : x
  2. Step 2: Convert to fraction form
    47,944.08/66,141.90 = 31,815.36/x
  3. Step 3: Cross multiply
    47,944.08x = 66,141.90 × 31,815.36
  4. Step 4: Simplify right side
    47,944.08x = 2,104,328,359.58
  5. Step 5: Solve for x
    x = 2,104,328,359.58/47,944.08
  6. Step 6: Final answer
    x = 43,891.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.