Home / 52,388.92-72,284.04-30,879.52

Finding the Fourth Proportional to 52,388.92, 72,284.04 and 30,879.52

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Solution

The fourth proportional to 52,388.92, 72,284.04 and 30,879.52 is: 42,606.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,388.92 : 72,284.04 = 30,879.52 : x
  2. Step 2: Convert to fraction form
    52,388.92/72,284.04 = 30,879.52/x
  3. Step 3: Cross multiply
    52,388.92x = 72,284.04 × 30,879.52
  4. Step 4: Simplify right side
    52,388.92x = 2,232,096,458.86
  5. Step 5: Solve for x
    x = 2,232,096,458.86/52,388.92
  6. Step 6: Final answer
    x = 42,606.27

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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.