Home / 55,102.14-76,047.33-30,909.75

Finding the Fourth Proportional to 55,102.14, 76,047.33 and 30,909.75

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Solution

The fourth proportional to 55,102.14, 76,047.33 and 30,909.75 is: 42,659.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,102.14 : 76,047.33 = 30,909.75 : x
  2. Step 2: Convert to fraction form
    55,102.14/76,047.33 = 30,909.75/x
  3. Step 3: Cross multiply
    55,102.14x = 76,047.33 × 30,909.75
  4. Step 4: Simplify right side
    55,102.14x = 2,350,603,958.47
  5. Step 5: Solve for x
    x = 2,350,603,958.47/55,102.14
  6. Step 6: Final answer
    x = 42,659.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.