Home / 55,764.75-76,955.90-30,614.79

Finding the Fourth Proportional to 55,764.75, 76,955.90 and 30,614.79

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Solution

The fourth proportional to 55,764.75, 76,955.90 and 30,614.79 is: 42,248.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,764.75 : 76,955.90 = 30,614.79 : x
  2. Step 2: Convert to fraction form
    55,764.75/76,955.90 = 30,614.79/x
  3. Step 3: Cross multiply
    55,764.75x = 76,955.90 × 30,614.79
  4. Step 4: Simplify right side
    55,764.75x = 2,355,988,564.69
  5. Step 5: Solve for x
    x = 2,355,988,564.69/55,764.75
  6. Step 6: Final answer
    x = 42,248.71

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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.