Home / 55,182.48-82,786.06-20,122.13

Finding the Fourth Proportional to 55,182.48, 82,786.06 and 20,122.13

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Solution

The fourth proportional to 55,182.48, 82,786.06 and 20,122.13 is: 30,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.48 : 82,786.06 = 20,122.13 : x
  2. Step 2: Convert to fraction form
    55,182.48/82,786.06 = 20,122.13/x
  3. Step 3: Cross multiply
    55,182.48x = 82,786.06 × 20,122.13
  4. Step 4: Simplify right side
    55,182.48x = 1,665,832,096.50
  5. Step 5: Solve for x
    x = 1,665,832,096.50/55,182.48
  6. Step 6: Final answer
    x = 30,187.70

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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.