Home / 55,696.72-76,854.36-31,824.94

Finding the Fourth Proportional to 55,696.72, 76,854.36 and 31,824.94

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Solution

The fourth proportional to 55,696.72, 76,854.36 and 31,824.94 is: 43,914.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,696.72 : 76,854.36 = 31,824.94 : x
  2. Step 2: Convert to fraction form
    55,696.72/76,854.36 = 31,824.94/x
  3. Step 3: Cross multiply
    55,696.72x = 76,854.36 × 31,824.94
  4. Step 4: Simplify right side
    55,696.72x = 2,445,885,395.74
  5. Step 5: Solve for x
    x = 2,445,885,395.74/55,696.72
  6. Step 6: Final answer
    x = 43,914.35

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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.