Home / 55,976.72-77,244.35-30,826.22

Finding the Fourth Proportional to 55,976.72, 77,244.35 and 30,826.22

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Solution

The fourth proportional to 55,976.72, 77,244.35 and 30,826.22 is: 42,538.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,976.72 : 77,244.35 = 30,826.22 : x
  2. Step 2: Convert to fraction form
    55,976.72/77,244.35 = 30,826.22/x
  3. Step 3: Cross multiply
    55,976.72x = 77,244.35 × 30,826.22
  4. Step 4: Simplify right side
    55,976.72x = 2,381,150,786.50
  5. Step 5: Solve for x
    x = 2,381,150,786.50/55,976.72
  6. Step 6: Final answer
    x = 42,538.24

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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.