Home / 56,906.12-85,337.30-39,322.64

Finding the Fourth Proportional to 56,906.12, 85,337.30 and 39,322.64

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Solution

The fourth proportional to 56,906.12, 85,337.30 and 39,322.64 is: 58,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,906.12 : 85,337.30 = 39,322.64 : x
  2. Step 2: Convert to fraction form
    56,906.12/85,337.30 = 39,322.64/x
  3. Step 3: Cross multiply
    56,906.12x = 85,337.30 × 39,322.64
  4. Step 4: Simplify right side
    56,906.12x = 3,355,687,598.09
  5. Step 5: Solve for x
    x = 3,355,687,598.09/56,906.12
  6. Step 6: Final answer
    x = 58,968.84

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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.