Home / 55,035.60-82,553.40-53,998.80

Finding the Fourth Proportional to 55,035.60, 82,553.40 and 53,998.80

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Solution

The fourth proportional to 55,035.60, 82,553.40 and 53,998.80 is: 80,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,035.60 : 82,553.40 = 53,998.80 : x
  2. Step 2: Convert to fraction form
    55,035.60/82,553.40 = 53,998.80/x
  3. Step 3: Cross multiply
    55,035.60x = 82,553.40 × 53,998.80
  4. Step 4: Simplify right side
    55,035.60x = 4,457,784,535.92
  5. Step 5: Solve for x
    x = 4,457,784,535.92/55,035.60
  6. Step 6: Final answer
    x = 80,998.20

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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.