Home / 55,313.46-82,944.27-20,228.58

Finding the Fourth Proportional to 55,313.46, 82,944.27 and 20,228.58

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Solution

The fourth proportional to 55,313.46, 82,944.27 and 20,228.58 is: 30,333.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,313.46 : 82,944.27 = 20,228.58 : x
  2. Step 2: Convert to fraction form
    55,313.46/82,944.27 = 20,228.58/x
  3. Step 3: Cross multiply
    55,313.46x = 82,944.27 × 20,228.58
  4. Step 4: Simplify right side
    55,313.46x = 1,677,844,801.24
  5. Step 5: Solve for x
    x = 1,677,844,801.24/55,313.46
  6. Step 6: Final answer
    x = 30,333.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.