Home / 63,738.08-87,942.48-38,582.72

Finding the Fourth Proportional to 63,738.08, 87,942.48 and 38,582.72

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Solution

The fourth proportional to 63,738.08, 87,942.48 and 38,582.72 is: 53,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,738.08 : 87,942.48 = 38,582.72 : x
  2. Step 2: Convert to fraction form
    63,738.08/87,942.48 = 38,582.72/x
  3. Step 3: Cross multiply
    63,738.08x = 87,942.48 × 38,582.72
  4. Step 4: Simplify right side
    63,738.08x = 3,393,060,081.95
  5. Step 5: Solve for x
    x = 3,393,060,081.95/63,738.08
  6. Step 6: Final answer
    x = 53,234.43

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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.