Home / 35,948.90-49,609.68-20,850.50

Finding the Fourth Proportional to 35,948.90, 49,609.68 and 20,850.50

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Solution

The fourth proportional to 35,948.90, 49,609.68 and 20,850.50 is: 28,773.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,948.90 : 49,609.68 = 20,850.50 : x
  2. Step 2: Convert to fraction form
    35,948.90/49,609.68 = 20,850.50/x
  3. Step 3: Cross multiply
    35,948.90x = 49,609.68 × 20,850.50
  4. Step 4: Simplify right side
    35,948.90x = 1,034,386,632.84
  5. Step 5: Solve for x
    x = 1,034,386,632.84/35,948.90
  6. Step 6: Final answer
    x = 28,773.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.