Home / 55,947.42-77,207.40-30,796.92

Finding the Fourth Proportional to 55,947.42, 77,207.40 and 30,796.92

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Solution

The fourth proportional to 55,947.42, 77,207.40 and 30,796.92 is: 42,499.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.42 : 77,207.40 = 30,796.92 : x
  2. Step 2: Convert to fraction form
    55,947.42/77,207.40 = 30,796.92/x
  3. Step 3: Cross multiply
    55,947.42x = 77,207.40 × 30,796.92
  4. Step 4: Simplify right side
    55,947.42x = 2,377,750,121.21
  5. Step 5: Solve for x
    x = 2,377,750,121.21/55,947.42
  6. Step 6: Final answer
    x = 42,499.73

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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.