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Finding the Fourth Proportional to 57,365.88, 85,984.32 and 29,206.89

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Solution

The fourth proportional to 57,365.88, 85,984.32 and 29,206.89 is: 43,777.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,365.88 : 85,984.32 = 29,206.89 : x
  2. Step 2: Convert to fraction form
    57,365.88/85,984.32 = 29,206.89/x
  3. Step 3: Cross multiply
    57,365.88x = 85,984.32 × 29,206.89
  4. Step 4: Simplify right side
    57,365.88x = 2,511,334,575.96
  5. Step 5: Solve for x
    x = 2,511,334,575.96/57,365.88
  6. Step 6: Final answer
    x = 43,777.50

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1.5x scale

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.