Home / 55,986.58-77,261.47-30,836.08

Finding the Fourth Proportional to 55,986.58, 77,261.47 and 30,836.08

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Solution

The fourth proportional to 55,986.58, 77,261.47 and 30,836.08 is: 42,553.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.58 : 77,261.47 = 30,836.08 : x
  2. Step 2: Convert to fraction form
    55,986.58/77,261.47 = 30,836.08/x
  3. Step 3: Cross multiply
    55,986.58x = 77,261.47 × 30,836.08
  4. Step 4: Simplify right side
    55,986.58x = 2,382,440,628.18
  5. Step 5: Solve for x
    x = 2,382,440,628.18/55,986.58
  6. Step 6: Final answer
    x = 42,553.78

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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.