Home / 55,595.56-76,722.81-30,443.44

Finding the Fourth Proportional to 55,595.56, 76,722.81 and 30,443.44

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Solution

The fourth proportional to 55,595.56, 76,722.81 and 30,443.44 is: 42,012.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,595.56 : 76,722.81 = 30,443.44 : x
  2. Step 2: Convert to fraction form
    55,595.56/76,722.81 = 30,443.44/x
  3. Step 3: Cross multiply
    55,595.56x = 76,722.81 × 30,443.44
  4. Step 4: Simplify right side
    55,595.56x = 2,335,706,262.87
  5. Step 5: Solve for x
    x = 2,335,706,262.87/55,595.56
  6. Step 6: Final answer
    x = 42,012.46

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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.