Home / 54,770.85-75,587.27-30,888.81

Finding the Fourth Proportional to 54,770.85, 75,587.27 and 30,888.81

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Solution

The fourth proportional to 54,770.85, 75,587.27 and 30,888.81 is: 42,628.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,770.85 : 75,587.27 = 30,888.81 : x
  2. Step 2: Convert to fraction form
    54,770.85/75,587.27 = 30,888.81/x
  3. Step 3: Cross multiply
    54,770.85x = 75,587.27 × 30,888.81
  4. Step 4: Simplify right side
    54,770.85x = 2,334,800,632.48
  5. Step 5: Solve for x
    x = 2,334,800,632.48/54,770.85
  6. Step 6: Final answer
    x = 42,628.53

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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.