Home / 57,327.60-79,109.82-31,835.28

Finding the Fourth Proportional to 57,327.60, 79,109.82 and 31,835.28

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Solution

The fourth proportional to 57,327.60, 79,109.82 and 31,835.28 is: 43,931.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,327.60 : 79,109.82 = 31,835.28 : x
  2. Step 2: Convert to fraction form
    57,327.60/79,109.82 = 31,835.28/x
  3. Step 3: Cross multiply
    57,327.60x = 79,109.82 × 31,835.28
  4. Step 4: Simplify right side
    57,327.60x = 2,518,483,270.45
  5. Step 5: Solve for x
    x = 2,518,483,270.45/57,327.60
  6. Step 6: Final answer
    x = 43,931.43

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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.