Home / 55,768.80-76,960.62-30,275.67

Finding the Fourth Proportional to 55,768.80, 76,960.62 and 30,275.67

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Solution

The fourth proportional to 55,768.80, 76,960.62 and 30,275.67 is: 41,780.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,768.80 : 76,960.62 = 30,275.67 : x
  2. Step 2: Convert to fraction form
    55,768.80/76,960.62 = 30,275.67/x
  3. Step 3: Cross multiply
    55,768.80x = 76,960.62 × 30,275.67
  4. Step 4: Simplify right side
    55,768.80x = 2,330,034,334.12
  5. Step 5: Solve for x
    x = 2,330,034,334.12/55,768.80
  6. Step 6: Final answer
    x = 41,780.25

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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.