Home / 55,568.24-76,682.28-31,702.64

Finding the Fourth Proportional to 55,568.24, 76,682.28 and 31,702.64

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Solution

The fourth proportional to 55,568.24, 76,682.28 and 31,702.64 is: 43,748.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,568.24 : 76,682.28 = 31,702.64 : x
  2. Step 2: Convert to fraction form
    55,568.24/76,682.28 = 31,702.64/x
  3. Step 3: Cross multiply
    55,568.24x = 76,682.28 × 31,702.64
  4. Step 4: Simplify right side
    55,568.24x = 2,431,030,717.22
  5. Step 5: Solve for x
    x = 2,431,030,717.22/55,568.24
  6. Step 6: Final answer
    x = 43,748.56

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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.