Home / 55,285.28-82,940.38-20,224.64

Finding the Fourth Proportional to 55,285.28, 82,940.38 and 20,224.64

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Solution

The fourth proportional to 55,285.28, 82,940.38 and 20,224.64 is: 30,341.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,285.28 : 82,940.38 = 20,224.64 : x
  2. Step 2: Convert to fraction form
    55,285.28/82,940.38 = 20,224.64/x
  3. Step 3: Cross multiply
    55,285.28x = 82,940.38 × 20,224.64
  4. Step 4: Simplify right side
    55,285.28x = 1,677,439,326.96
  5. Step 5: Solve for x
    x = 1,677,439,326.96/55,285.28
  6. Step 6: Final answer
    x = 30,341.52

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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.