Home / 55,986.20-77,261.79-30,493.74

Finding the Fourth Proportional to 55,986.20, 77,261.79 and 30,493.74

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Solution

The fourth proportional to 55,986.20, 77,261.79 and 30,493.74 is: 42,081.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.20 : 77,261.79 = 30,493.74 : x
  2. Step 2: Convert to fraction form
    55,986.20/77,261.79 = 30,493.74/x
  3. Step 3: Cross multiply
    55,986.20x = 77,261.79 × 30,493.74
  4. Step 4: Simplify right side
    55,986.20x = 2,356,000,936.19
  5. Step 5: Solve for x
    x = 2,356,000,936.19/55,986.20
  6. Step 6: Final answer
    x = 42,081.82

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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.