Home / 45,195.76-67,794.64-31,814.08

Finding the Fourth Proportional to 45,195.76, 67,794.64 and 31,814.08

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Solution

The fourth proportional to 45,195.76, 67,794.64 and 31,814.08 is: 47,721.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,195.76 : 67,794.64 = 31,814.08 : x
  2. Step 2: Convert to fraction form
    45,195.76/67,794.64 = 31,814.08/x
  3. Step 3: Cross multiply
    45,195.76x = 67,794.64 × 31,814.08
  4. Step 4: Simplify right side
    45,195.76x = 2,156,824,100.53
  5. Step 5: Solve for x
    x = 2,156,824,100.53/45,195.76
  6. Step 6: Final answer
    x = 47,721.82

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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.