Home / 51,325.26-70,835.01-31,185.42

Finding the Fourth Proportional to 51,325.26, 70,835.01 and 31,185.42

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Solution

The fourth proportional to 51,325.26, 70,835.01 and 31,185.42 is: 43,039.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,325.26 : 70,835.01 = 31,185.42 : x
  2. Step 2: Convert to fraction form
    51,325.26/70,835.01 = 31,185.42/x
  3. Step 3: Cross multiply
    51,325.26x = 70,835.01 × 31,185.42
  4. Step 4: Simplify right side
    51,325.26x = 2,209,019,537.55
  5. Step 5: Solve for x
    x = 2,209,019,537.55/51,325.26
  6. Step 6: Final answer
    x = 43,039.62

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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.