Home / 61,815.42-85,325.40-36,321.35

Finding the Fourth Proportional to 61,815.42, 85,325.40 and 36,321.35

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Solution

The fourth proportional to 61,815.42, 85,325.40 and 36,321.35 is: 50,135.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,815.42 : 85,325.40 = 36,321.35 : x
  2. Step 2: Convert to fraction form
    61,815.42/85,325.40 = 36,321.35/x
  3. Step 3: Cross multiply
    61,815.42x = 85,325.40 × 36,321.35
  4. Step 4: Simplify right side
    61,815.42x = 3,099,133,290.66
  5. Step 5: Solve for x
    x = 3,099,133,290.66/61,815.42
  6. Step 6: Final answer
    x = 50,135.28

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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.