Home / 55,947.35-77,207.35-30,796.85

Finding the Fourth Proportional to 55,947.35, 77,207.35 and 30,796.85

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Solution

The fourth proportional to 55,947.35, 77,207.35 and 30,796.85 is: 42,499.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,947.35 : 77,207.35 = 30,796.85 : x
  2. Step 2: Convert to fraction form
    55,947.35/77,207.35 = 30,796.85/x
  3. Step 3: Cross multiply
    55,947.35x = 77,207.35 × 30,796.85
  4. Step 4: Simplify right side
    55,947.35x = 2,377,742,790.81
  5. Step 5: Solve for x
    x = 2,377,742,790.81/55,947.35
  6. Step 6: Final answer
    x = 42,499.65

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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.