Home / 48,756.20-73,134.30-11,820.20

Finding the Fourth Proportional to 48,756.20, 73,134.30 and 11,820.20

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Solution

The fourth proportional to 48,756.20, 73,134.30 and 11,820.20 is: 17,730.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,756.20 : 73,134.30 = 11,820.20 : x
  2. Step 2: Convert to fraction form
    48,756.20/73,134.30 = 11,820.20/x
  3. Step 3: Cross multiply
    48,756.20x = 73,134.30 × 11,820.20
  4. Step 4: Simplify right side
    48,756.20x = 864,461,687.19
  5. Step 5: Solve for x
    x = 864,461,687.19/48,756.20
  6. Step 6: Final answer
    x = 17,730.29

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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.