Home / 55,277.90-82,927.65-21,992.30

Finding the Fourth Proportional to 55,277.90, 82,927.65 and 21,992.30

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Solution

The fourth proportional to 55,277.90, 82,927.65 and 21,992.30 is: 32,992.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,277.90 : 82,927.65 = 21,992.30 : x
  2. Step 2: Convert to fraction form
    55,277.90/82,927.65 = 21,992.30/x
  3. Step 3: Cross multiply
    55,277.90x = 82,927.65 × 21,992.30
  4. Step 4: Simplify right side
    55,277.90x = 1,823,769,757.10
  5. Step 5: Solve for x
    x = 1,823,769,757.10/55,277.90
  6. Step 6: Final answer
    x = 32,992.75

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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.