Home / 55,932.75-77,188.41-30,782.25

Finding the Fourth Proportional to 55,932.75, 77,188.41 and 30,782.25

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Solution

The fourth proportional to 55,932.75, 77,188.41 and 30,782.25 is: 42,480.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,932.75 : 77,188.41 = 30,782.25 : x
  2. Step 2: Convert to fraction form
    55,932.75/77,188.41 = 30,782.25/x
  3. Step 3: Cross multiply
    55,932.75x = 77,188.41 × 30,782.25
  4. Step 4: Simplify right side
    55,932.75x = 2,376,032,933.72
  5. Step 5: Solve for x
    x = 2,376,032,933.72/55,932.75
  6. Step 6: Final answer
    x = 42,480.17

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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.