Home / 55,696.21-76,853.69-31,824.43

Finding the Fourth Proportional to 55,696.21, 76,853.69 and 31,824.43

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Solution

The fourth proportional to 55,696.21, 76,853.69 and 31,824.43 is: 43,913.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.21 : 76,853.69 = 31,824.43 : x
  2. Step 2: Convert to fraction form
    55,696.21/76,853.69 = 31,824.43/x
  3. Step 3: Cross multiply
    55,696.21x = 76,853.69 × 31,824.43
  4. Step 4: Simplify right side
    55,696.21x = 2,445,824,877.65
  5. Step 5: Solve for x
    x = 2,445,824,877.65/55,696.21
  6. Step 6: Final answer
    x = 43,913.67

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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.