Home / 36,030-49,721.22-20,113.50

Finding the Fourth Proportional to 36,030, 49,721.22 and 20,113.50

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Solution

The fourth proportional to 36,030, 49,721.22 and 20,113.50 is: 27,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,030 : 49,721.22 = 20,113.50 : x
  2. Step 2: Convert to fraction form
    36,030/49,721.22 = 20,113.50/x
  3. Step 3: Cross multiply
    36,030x = 49,721.22 × 20,113.50
  4. Step 4: Simplify right side
    36,030x = 1,000,067,758.47
  5. Step 5: Solve for x
    x = 1,000,067,758.47/36,030
  6. Step 6: Final answer
    x = 27,756.53

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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.