Home / 48,475.96-66,906.40-31,456.30

Finding the Fourth Proportional to 48,475.96, 66,906.40 and 31,456.30

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Solution

The fourth proportional to 48,475.96, 66,906.40 and 31,456.30 is: 43,415.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,475.96 : 66,906.40 = 31,456.30 : x
  2. Step 2: Convert to fraction form
    48,475.96/66,906.40 = 31,456.30/x
  3. Step 3: Cross multiply
    48,475.96x = 66,906.40 × 31,456.30
  4. Step 4: Simplify right side
    48,475.96x = 2,104,627,790.32
  5. Step 5: Solve for x
    x = 2,104,627,790.32/48,475.96
  6. Step 6: Final answer
    x = 43,415.91

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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.