Home / 52,999.12-73,122.80-31,770.64

Finding the Fourth Proportional to 52,999.12, 73,122.80 and 31,770.64

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Solution

The fourth proportional to 52,999.12, 73,122.80 and 31,770.64 is: 43,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,999.12 : 73,122.80 = 31,770.64 : x
  2. Step 2: Convert to fraction form
    52,999.12/73,122.80 = 31,770.64/x
  3. Step 3: Cross multiply
    52,999.12x = 73,122.80 × 31,770.64
  4. Step 4: Simplify right side
    52,999.12x = 2,323,158,154.59
  5. Step 5: Solve for x
    x = 2,323,158,154.59/52,999.12
  6. Step 6: Final answer
    x = 43,833.90

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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.