Home / 55,785.17-83,682.43-17,839.82

Finding the Fourth Proportional to 55,785.17, 83,682.43 and 17,839.82

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Solution

The fourth proportional to 55,785.17, 83,682.43 and 17,839.82 is: 26,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,785.17 : 83,682.43 = 17,839.82 : x
  2. Step 2: Convert to fraction form
    55,785.17/83,682.43 = 17,839.82/x
  3. Step 3: Cross multiply
    55,785.17x = 83,682.43 × 17,839.82
  4. Step 4: Simplify right side
    55,785.17x = 1,492,879,652.97
  5. Step 5: Solve for x
    x = 1,492,879,652.97/55,785.17
  6. Step 6: Final answer
    x = 26,761.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.