Home / 52,760.28-79,110.84-36,139.08

Finding the Fourth Proportional to 52,760.28, 79,110.84 and 36,139.08

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Solution

The fourth proportional to 52,760.28, 79,110.84 and 36,139.08 is: 54,188.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,760.28 : 79,110.84 = 36,139.08 : x
  2. Step 2: Convert to fraction form
    52,760.28/79,110.84 = 36,139.08/x
  3. Step 3: Cross multiply
    52,760.28x = 79,110.84 × 36,139.08
  4. Step 4: Simplify right side
    52,760.28x = 2,858,992,975.63
  5. Step 5: Solve for x
    x = 2,858,992,975.63/52,760.28
  6. Step 6: Final answer
    x = 54,188.36

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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.