Home / 52,782.86-72,836.60-30,116.54

Finding the Fourth Proportional to 52,782.86, 72,836.60 and 30,116.54

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Solution

The fourth proportional to 52,782.86, 72,836.60 and 30,116.54 is: 41,558.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.86 : 72,836.60 = 30,116.54 : x
  2. Step 2: Convert to fraction form
    52,782.86/72,836.60 = 30,116.54/x
  3. Step 3: Cross multiply
    52,782.86x = 72,836.60 × 30,116.54
  4. Step 4: Simplify right side
    52,782.86x = 2,193,586,377.36
  5. Step 5: Solve for x
    x = 2,193,586,377.36/52,782.86
  6. Step 6: Final answer
    x = 41,558.69

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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.