Home / 55,786.20-76,984.93-30,635.70

Finding the Fourth Proportional to 55,786.20, 76,984.93 and 30,635.70

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Solution

The fourth proportional to 55,786.20, 76,984.93 and 30,635.70 is: 42,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,786.20 : 76,984.93 = 30,635.70 : x
  2. Step 2: Convert to fraction form
    55,786.20/76,984.93 = 30,635.70/x
  3. Step 3: Cross multiply
    55,786.20x = 76,984.93 × 30,635.70
  4. Step 4: Simplify right side
    55,786.20x = 2,358,487,220.00
  5. Step 5: Solve for x
    x = 2,358,487,220.00/55,786.20
  6. Step 6: Final answer
    x = 42,277.25

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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.