Home / 55,576.09-76,702.31-31,697.29

Finding the Fourth Proportional to 55,576.09, 76,702.31 and 31,697.29

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Solution

The fourth proportional to 55,576.09, 76,702.31 and 31,697.29 is: 43,746.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,576.09 : 76,702.31 = 31,697.29 : x
  2. Step 2: Convert to fraction form
    55,576.09/76,702.31 = 31,697.29/x
  3. Step 3: Cross multiply
    55,576.09x = 76,702.31 × 31,697.29
  4. Step 4: Simplify right side
    55,576.09x = 2,431,255,363.74
  5. Step 5: Solve for x
    x = 2,431,255,363.74/55,576.09
  6. Step 6: Final answer
    x = 43,746.43

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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.