Home / 55,301.54-82,960.68-20,232.86

Finding the Fourth Proportional to 55,301.54, 82,960.68 and 20,232.86

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Solution

The fourth proportional to 55,301.54, 82,960.68 and 20,232.86 is: 30,352.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,301.54 : 82,960.68 = 20,232.86 : x
  2. Step 2: Convert to fraction form
    55,301.54/82,960.68 = 20,232.86/x
  3. Step 3: Cross multiply
    55,301.54x = 82,960.68 × 20,232.86
  4. Step 4: Simplify right side
    55,301.54x = 1,678,531,823.94
  5. Step 5: Solve for x
    x = 1,678,531,823.94/55,301.54
  6. Step 6: Final answer
    x = 30,352.35

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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.