Home / 55,440.40-83,160.60-15,998.80

Finding the Fourth Proportional to 55,440.40, 83,160.60 and 15,998.80

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Solution

The fourth proportional to 55,440.40, 83,160.60 and 15,998.80 is: 23,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,440.40 : 83,160.60 = 15,998.80 : x
  2. Step 2: Convert to fraction form
    55,440.40/83,160.60 = 15,998.80/x
  3. Step 3: Cross multiply
    55,440.40x = 83,160.60 × 15,998.80
  4. Step 4: Simplify right side
    55,440.40x = 1,330,469,807.28
  5. Step 5: Solve for x
    x = 1,330,469,807.28/55,440.40
  6. Step 6: Final answer
    x = 23,998.20

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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.