Home / 57,277.35-79,040-31,783.41

Finding the Fourth Proportional to 57,277.35, 79,040 and 31,783.41

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Solution

The fourth proportional to 57,277.35, 79,040 and 31,783.41 is: 43,859.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,277.35 : 79,040 = 31,783.41 : x
  2. Step 2: Convert to fraction form
    57,277.35/79,040 = 31,783.41/x
  3. Step 3: Cross multiply
    57,277.35x = 79,040 × 31,783.41
  4. Step 4: Simplify right side
    57,277.35x = 2,512,160,726.40
  5. Step 5: Solve for x
    x = 2,512,160,726.40/57,277.35
  6. Step 6: Final answer
    x = 43,859.58

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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.