Home / 55,768.64-83,625.08-17,812.85

Finding the Fourth Proportional to 55,768.64, 83,625.08 and 17,812.85

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Solution

The fourth proportional to 55,768.64, 83,625.08 and 17,812.85 is: 26,710.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.64 : 83,625.08 = 17,812.85 : x
  2. Step 2: Convert to fraction form
    55,768.64/83,625.08 = 17,812.85/x
  3. Step 3: Cross multiply
    55,768.64x = 83,625.08 × 17,812.85
  4. Step 4: Simplify right side
    55,768.64x = 1,489,600,499.09
  5. Step 5: Solve for x
    x = 1,489,600,499.09/55,768.64
  6. Step 6: Final answer
    x = 26,710.36

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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.