Home / 55,265.40-82,825.20-39,664.80

Finding the Fourth Proportional to 55,265.40, 82,825.20 and 39,664.80

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Solution

The fourth proportional to 55,265.40, 82,825.20 and 39,664.80 is: 59,444.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.40 : 82,825.20 = 39,664.80 : x
  2. Step 2: Convert to fraction form
    55,265.40/82,825.20 = 39,664.80/x
  3. Step 3: Cross multiply
    55,265.40x = 82,825.20 × 39,664.80
  4. Step 4: Simplify right side
    55,265.40x = 3,285,244,992.96
  5. Step 5: Solve for x
    x = 3,285,244,992.96/55,265.40
  6. Step 6: Final answer
    x = 59,444.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.