Home / 56,830.90-85,270.94-30,504.89

Finding the Fourth Proportional to 56,830.90, 85,270.94 and 30,504.89

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Solution

The fourth proportional to 56,830.90, 85,270.94 and 30,504.89 is: 45,770.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,830.90 : 85,270.94 = 30,504.89 : x
  2. Step 2: Convert to fraction form
    56,830.90/85,270.94 = 30,504.89/x
  3. Step 3: Cross multiply
    56,830.90x = 85,270.94 × 30,504.89
  4. Step 4: Simplify right side
    56,830.90x = 2,601,180,644.90
  5. Step 5: Solve for x
    x = 2,601,180,644.90/56,830.90
  6. Step 6: Final answer
    x = 45,770.53

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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.