Home / 55,098.63-82,598.40-20,013.75

Finding the Fourth Proportional to 55,098.63, 82,598.40 and 20,013.75

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Solution

The fourth proportional to 55,098.63, 82,598.40 and 20,013.75 is: 30,002.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,098.63 : 82,598.40 = 20,013.75 : x
  2. Step 2: Convert to fraction form
    55,098.63/82,598.40 = 20,013.75/x
  3. Step 3: Cross multiply
    55,098.63x = 82,598.40 × 20,013.75
  4. Step 4: Simplify right side
    55,098.63x = 1,653,103,728
  5. Step 5: Solve for x
    x = 1,653,103,728/55,098.63
  6. Step 6: Final answer
    x = 30,002.63

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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.