Home / 55,638.19-76,738.84-38,642.46

Finding the Fourth Proportional to 55,638.19, 76,738.84 and 38,642.46

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Solution

The fourth proportional to 55,638.19, 76,738.84 and 38,642.46 is: 53,297.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,638.19 : 76,738.84 = 38,642.46 : x
  2. Step 2: Convert to fraction form
    55,638.19/76,738.84 = 38,642.46/x
  3. Step 3: Cross multiply
    55,638.19x = 76,738.84 × 38,642.46
  4. Step 4: Simplify right side
    55,638.19x = 2,965,377,555.15
  5. Step 5: Solve for x
    x = 2,965,377,555.15/55,638.19
  6. Step 6: Final answer
    x = 53,297.52

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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.