Home / 49,892.90-74,795.33-20,335.46

Finding the Fourth Proportional to 49,892.90, 74,795.33 and 20,335.46

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Solution

The fourth proportional to 49,892.90, 74,795.33 and 20,335.46 is: 30,485.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,892.90 : 74,795.33 = 20,335.46 : x
  2. Step 2: Convert to fraction form
    49,892.90/74,795.33 = 20,335.46/x
  3. Step 3: Cross multiply
    49,892.90x = 74,795.33 × 20,335.46
  4. Step 4: Simplify right side
    49,892.90x = 1,520,996,965.75
  5. Step 5: Solve for x
    x = 1,520,996,965.75/49,892.90
  6. Step 6: Final answer
    x = 30,485.24

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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.