Home / 51,309.18-70,794.04-31,164.86

Finding the Fourth Proportional to 51,309.18, 70,794.04 and 31,164.86

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Solution

The fourth proportional to 51,309.18, 70,794.04 and 31,164.86 is: 42,999.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,309.18 : 70,794.04 = 31,164.86 : x
  2. Step 2: Convert to fraction form
    51,309.18/70,794.04 = 31,164.86/x
  3. Step 3: Cross multiply
    51,309.18x = 70,794.04 × 31,164.86
  4. Step 4: Simplify right side
    51,309.18x = 2,206,286,755.89
  5. Step 5: Solve for x
    x = 2,206,286,755.89/51,309.18
  6. Step 6: Final answer
    x = 42,999.84

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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.