Home / 73,214.24-109,821.36-17,809.76

Finding the Fourth Proportional to 73,214.24, 109,821.36 and 17,809.76

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Solution

The fourth proportional to 73,214.24, 109,821.36 and 17,809.76 is: 26,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,214.24 : 109,821.36 = 17,809.76 : x
  2. Step 2: Convert to fraction form
    73,214.24/109,821.36 = 17,809.76/x
  3. Step 3: Cross multiply
    73,214.24x = 109,821.36 × 17,809.76
  4. Step 4: Simplify right side
    73,214.24x = 1,955,892,064.47
  5. Step 5: Solve for x
    x = 1,955,892,064.47/73,214.24
  6. Step 6: Final answer
    x = 26,714.64

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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.