Home / 55,343.44-76,371.69-32,689.72

Finding the Fourth Proportional to 55,343.44, 76,371.69 and 32,689.72

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Solution

The fourth proportional to 55,343.44, 76,371.69 and 32,689.72 is: 45,110.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,343.44 : 76,371.69 = 32,689.72 : x
  2. Step 2: Convert to fraction form
    55,343.44/76,371.69 = 32,689.72/x
  3. Step 3: Cross multiply
    55,343.44x = 76,371.69 × 32,689.72
  4. Step 4: Simplify right side
    55,343.44x = 2,496,569,162.03
  5. Step 5: Solve for x
    x = 2,496,569,162.03/55,343.44
  6. Step 6: Final answer
    x = 45,110.48

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1.5x scale

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.