Home / 73,220.24-109,830.36-17,815.76

Finding the Fourth Proportional to 73,220.24, 109,830.36 and 17,815.76

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Solution

The fourth proportional to 73,220.24, 109,830.36 and 17,815.76 is: 26,723.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,220.24 : 109,830.36 = 17,815.76 : x
  2. Step 2: Convert to fraction form
    73,220.24/109,830.36 = 17,815.76/x
  3. Step 3: Cross multiply
    73,220.24x = 109,830.36 × 17,815.76
  4. Step 4: Simplify right side
    73,220.24x = 1,956,711,334.47
  5. Step 5: Solve for x
    x = 1,956,711,334.47/73,220.24
  6. Step 6: Final answer
    x = 26,723.64

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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.