Home / 51,379.96-70,907.04-31,233.55

Finding the Fourth Proportional to 51,379.96, 70,907.04 and 31,233.55

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Solution

The fourth proportional to 51,379.96, 70,907.04 and 31,233.55 is: 43,103.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,379.96 : 70,907.04 = 31,233.55 : x
  2. Step 2: Convert to fraction form
    51,379.96/70,907.04 = 31,233.55/x
  3. Step 3: Cross multiply
    51,379.96x = 70,907.04 × 31,233.55
  4. Step 4: Simplify right side
    51,379.96x = 2,214,678,579.19
  5. Step 5: Solve for x
    x = 2,214,678,579.19/51,379.96
  6. Step 6: Final answer
    x = 43,103.94

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1.5x scale

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.