Home / 21,558.96-32,333.58-5,977.80

Finding the Fourth Proportional to 21,558.96, 32,333.58 and 5,977.80

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Solution

The fourth proportional to 21,558.96, 32,333.58 and 5,977.80 is: 8,965.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,558.96 : 32,333.58 = 5,977.80 : x
  2. Step 2: Convert to fraction form
    21,558.96/32,333.58 = 5,977.80/x
  3. Step 3: Cross multiply
    21,558.96x = 32,333.58 × 5,977.80
  4. Step 4: Simplify right side
    21,558.96x = 193,283,674.52
  5. Step 5: Solve for x
    x = 193,283,674.52/21,558.96
  6. Step 6: Final answer
    x = 8,965.35

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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.