Home / 57,882.04-86,800.98-20,435.14

Finding the Fourth Proportional to 57,882.04, 86,800.98 and 20,435.14

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Solution

The fourth proportional to 57,882.04, 86,800.98 and 20,435.14 is: 30,644.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,882.04 : 86,800.98 = 20,435.14 : x
  2. Step 2: Convert to fraction form
    57,882.04/86,800.98 = 20,435.14/x
  3. Step 3: Cross multiply
    57,882.04x = 86,800.98 × 20,435.14
  4. Step 4: Simplify right side
    57,882.04x = 1,773,790,178.44
  5. Step 5: Solve for x
    x = 1,773,790,178.44/57,882.04
  6. Step 6: Final answer
    x = 30,644.91

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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.