Home / 71,440.66-107,150.46-18,853.84

Finding the Fourth Proportional to 71,440.66, 107,150.46 and 18,853.84

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Solution

The fourth proportional to 71,440.66, 107,150.46 and 18,853.84 is: 28,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,440.66 : 107,150.46 = 18,853.84 : x
  2. Step 2: Convert to fraction form
    71,440.66/107,150.46 = 18,853.84/x
  3. Step 3: Cross multiply
    71,440.66x = 107,150.46 × 18,853.84
  4. Step 4: Simplify right side
    71,440.66x = 2,020,197,628.77
  5. Step 5: Solve for x
    x = 2,020,197,628.77/71,440.66
  6. Step 6: Final answer
    x = 28,277.98

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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.