Home / 55,455.30-83,189.84-21,716.96

Finding the Fourth Proportional to 55,455.30, 83,189.84 and 21,716.96

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Solution

The fourth proportional to 55,455.30, 83,189.84 and 21,716.96 is: 32,578.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,455.30 : 83,189.84 = 21,716.96 : x
  2. Step 2: Convert to fraction form
    55,455.30/83,189.84 = 21,716.96/x
  3. Step 3: Cross multiply
    55,455.30x = 83,189.84 × 21,716.96
  4. Step 4: Simplify right side
    55,455.30x = 1,806,630,219.71
  5. Step 5: Solve for x
    x = 1,806,630,219.71/55,455.30
  6. Step 6: Final answer
    x = 32,578.14

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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.