Home / 55,242.40-82,875.60-20,182

Finding the Fourth Proportional to 55,242.40, 82,875.60 and 20,182

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Solution

The fourth proportional to 55,242.40, 82,875.60 and 20,182 is: 30,277.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,242.40 : 82,875.60 = 20,182 : x
  2. Step 2: Convert to fraction form
    55,242.40/82,875.60 = 20,182/x
  3. Step 3: Cross multiply
    55,242.40x = 82,875.60 × 20,182
  4. Step 4: Simplify right side
    55,242.40x = 1,672,595,359.20
  5. Step 5: Solve for x
    x = 1,672,595,359.20/55,242.40
  6. Step 6: Final answer
    x = 30,277.38

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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.