Home / 55,276.21-82,888.39-20,191.33

Finding the Fourth Proportional to 55,276.21, 82,888.39 and 20,191.33

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Solution

The fourth proportional to 55,276.21, 82,888.39 and 20,191.33 is: 30,277.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,276.21 : 82,888.39 = 20,191.33 : x
  2. Step 2: Convert to fraction form
    55,276.21/82,888.39 = 20,191.33/x
  3. Step 3: Cross multiply
    55,276.21x = 82,888.39 × 20,191.33
  4. Step 4: Simplify right side
    55,276.21x = 1,673,626,835.66
  5. Step 5: Solve for x
    x = 1,673,626,835.66/55,276.21
  6. Step 6: Final answer
    x = 30,277.53

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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.