Home / 50,928.18-76,395.90-21,341.70

Finding the Fourth Proportional to 50,928.18, 76,395.90 and 21,341.70

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Solution

The fourth proportional to 50,928.18, 76,395.90 and 21,341.70 is: 32,014.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.18 : 76,395.90 = 21,341.70 : x
  2. Step 2: Convert to fraction form
    50,928.18/76,395.90 = 21,341.70/x
  3. Step 3: Cross multiply
    50,928.18x = 76,395.90 × 21,341.70
  4. Step 4: Simplify right side
    50,928.18x = 1,630,418,379.03
  5. Step 5: Solve for x
    x = 1,630,418,379.03/50,928.18
  6. Step 6: Final answer
    x = 32,014.07

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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.