Home / 31,782.41-43,841.49-19,824.98

Finding the Fourth Proportional to 31,782.41, 43,841.49 and 19,824.98

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Solution

The fourth proportional to 31,782.41, 43,841.49 and 19,824.98 is: 27,347.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,782.41 : 43,841.49 = 19,824.98 : x
  2. Step 2: Convert to fraction form
    31,782.41/43,841.49 = 19,824.98/x
  3. Step 3: Cross multiply
    31,782.41x = 43,841.49 × 19,824.98
  4. Step 4: Simplify right side
    31,782.41x = 869,156,662.42
  5. Step 5: Solve for x
    x = 869,156,662.42/31,782.41
  6. Step 6: Final answer
    x = 27,347.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.