Home / 55,247.55-82,871.33-20,182.65

Finding the Fourth Proportional to 55,247.55, 82,871.33 and 20,182.65

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Solution

The fourth proportional to 55,247.55, 82,871.33 and 20,182.65 is: 30,273.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,247.55 : 82,871.33 = 20,182.65 : x
  2. Step 2: Convert to fraction form
    55,247.55/82,871.33 = 20,182.65/x
  3. Step 3: Cross multiply
    55,247.55x = 82,871.33 × 20,182.65
  4. Step 4: Simplify right side
    55,247.55x = 1,672,562,947.51
  5. Step 5: Solve for x
    x = 1,672,562,947.51/55,247.55
  6. Step 6: Final answer
    x = 30,273.98

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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.