Home / 55,947.23-77,207.18-30,796.73

Finding the Fourth Proportional to 55,947.23, 77,207.18 and 30,796.73

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Solution

The fourth proportional to 55,947.23, 77,207.18 and 30,796.73 is: 42,499.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.23 : 77,207.18 = 30,796.73 : x
  2. Step 2: Convert to fraction form
    55,947.23/77,207.18 = 30,796.73/x
  3. Step 3: Cross multiply
    55,947.23x = 77,207.18 × 30,796.73
  4. Step 4: Simplify right side
    55,947.23x = 2,377,729,120.17
  5. Step 5: Solve for x
    x = 2,377,729,120.17/55,947.23
  6. Step 6: Final answer
    x = 42,499.49

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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.