Home / 63,620.38-87,789.60-36,771.52

Finding the Fourth Proportional to 63,620.38, 87,789.60 and 36,771.52

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Solution

The fourth proportional to 63,620.38, 87,789.60 and 36,771.52 is: 50,740.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,620.38 : 87,789.60 = 36,771.52 : x
  2. Step 2: Convert to fraction form
    63,620.38/87,789.60 = 36,771.52/x
  3. Step 3: Cross multiply
    63,620.38x = 87,789.60 × 36,771.52
  4. Step 4: Simplify right side
    63,620.38x = 3,228,157,032.19
  5. Step 5: Solve for x
    x = 3,228,157,032.19/63,620.38
  6. Step 6: Final answer
    x = 50,740.93

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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.