Home / 36,508.47-50,379.23-20,986.58

Finding the Fourth Proportional to 36,508.47, 50,379.23 and 20,986.58

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Solution

The fourth proportional to 36,508.47, 50,379.23 and 20,986.58 is: 28,960.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,508.47 : 50,379.23 = 20,986.58 : x
  2. Step 2: Convert to fraction form
    36,508.47/50,379.23 = 20,986.58/x
  3. Step 3: Cross multiply
    36,508.47x = 50,379.23 × 20,986.58
  4. Step 4: Simplify right side
    36,508.47x = 1,057,287,740.73
  5. Step 5: Solve for x
    x = 1,057,287,740.73/36,508.47
  6. Step 6: Final answer
    x = 28,960.07

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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.