Home / 50,928.48-76,343.04-21,355.20

Finding the Fourth Proportional to 50,928.48, 76,343.04 and 21,355.20

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Solution

The fourth proportional to 50,928.48, 76,343.04 and 21,355.20 is: 32,011.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,928.48 : 76,343.04 = 21,355.20 : x
  2. Step 2: Convert to fraction form
    50,928.48/76,343.04 = 21,355.20/x
  3. Step 3: Cross multiply
    50,928.48x = 76,343.04 × 21,355.20
  4. Step 4: Simplify right side
    50,928.48x = 1,630,320,887.81
  5. Step 5: Solve for x
    x = 1,630,320,887.81/50,928.48
  6. Step 6: Final answer
    x = 32,011.97

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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.