Home / 50,867.46-76,314.56-20,890.98

Finding the Fourth Proportional to 50,867.46, 76,314.56 and 20,890.98

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Solution

The fourth proportional to 50,867.46, 76,314.56 and 20,890.98 is: 31,341.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,867.46 : 76,314.56 = 20,890.98 : x
  2. Step 2: Convert to fraction form
    50,867.46/76,314.56 = 20,890.98/x
  3. Step 3: Cross multiply
    50,867.46x = 76,314.56 × 20,890.98
  4. Step 4: Simplify right side
    50,867.46x = 1,594,285,842.21
  5. Step 5: Solve for x
    x = 1,594,285,842.21/50,867.46
  6. Step 6: Final answer
    x = 31,341.96

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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.