Home / 30,132.76-41,584.62-18,808.96

Finding the Fourth Proportional to 30,132.76, 41,584.62 and 18,808.96

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Solution

The fourth proportional to 30,132.76, 41,584.62 and 18,808.96 is: 25,957.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132.76 : 41,584.62 = 18,808.96 : x
  2. Step 2: Convert to fraction form
    30,132.76/41,584.62 = 18,808.96/x
  3. Step 3: Cross multiply
    30,132.76x = 41,584.62 × 18,808.96
  4. Step 4: Simplify right side
    30,132.76x = 782,163,454.20
  5. Step 5: Solve for x
    x = 782,163,454.20/30,132.76
  6. Step 6: Final answer
    x = 25,957.25

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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.