Home / 55,299.54-82,957.68-20,230.86

Finding the Fourth Proportional to 55,299.54, 82,957.68 and 20,230.86

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Solution

The fourth proportional to 55,299.54, 82,957.68 and 20,230.86 is: 30,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,299.54 : 82,957.68 = 20,230.86 : x
  2. Step 2: Convert to fraction form
    55,299.54/82,957.68 = 20,230.86/x
  3. Step 3: Cross multiply
    55,299.54x = 82,957.68 × 20,230.86
  4. Step 4: Simplify right side
    55,299.54x = 1,678,305,210.00
  5. Step 5: Solve for x
    x = 1,678,305,210.00/55,299.54
  6. Step 6: Final answer
    x = 30,349.35

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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.