Home / 55,173.07-82,686.70-20,079.01

Finding the Fourth Proportional to 55,173.07, 82,686.70 and 20,079.01

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Solution

The fourth proportional to 55,173.07, 82,686.70 and 20,079.01 is: 30,091.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.07 : 82,686.70 = 20,079.01 : x
  2. Step 2: Convert to fraction form
    55,173.07/82,686.70 = 20,079.01/x
  3. Step 3: Cross multiply
    55,173.07x = 82,686.70 × 20,079.01
  4. Step 4: Simplify right side
    55,173.07x = 1,660,267,076.17
  5. Step 5: Solve for x
    x = 1,660,267,076.17/55,173.07
  6. Step 6: Final answer
    x = 30,091.98

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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.