Home / 62,289.82-85,930.05-40,770.09

Finding the Fourth Proportional to 62,289.82, 85,930.05 and 40,770.09

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Solution

The fourth proportional to 62,289.82, 85,930.05 and 40,770.09 is: 56,243.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,289.82 : 85,930.05 = 40,770.09 : x
  2. Step 2: Convert to fraction form
    62,289.82/85,930.05 = 40,770.09/x
  3. Step 3: Cross multiply
    62,289.82x = 85,930.05 × 40,770.09
  4. Step 4: Simplify right side
    62,289.82x = 3,503,376,025.09
  5. Step 5: Solve for x
    x = 3,503,376,025.09/62,289.82
  6. Step 6: Final answer
    x = 56,243.16

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1.5x scale

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.