Home / 36,289.38-50,078.06-20,374.50

Finding the Fourth Proportional to 36,289.38, 50,078.06 and 20,374.50

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Solution

The fourth proportional to 36,289.38, 50,078.06 and 20,374.50 is: 28,116.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.38 : 50,078.06 = 20,374.50 : x
  2. Step 2: Convert to fraction form
    36,289.38/50,078.06 = 20,374.50/x
  3. Step 3: Cross multiply
    36,289.38x = 50,078.06 × 20,374.50
  4. Step 4: Simplify right side
    36,289.38x = 1,020,315,710.40
  5. Step 5: Solve for x
    x = 1,020,315,710.40/36,289.38
  6. Step 6: Final answer
    x = 28,116.09

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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.