Home / 57,194.01-78,928.20-31,700.79

Finding the Fourth Proportional to 57,194.01, 78,928.20 and 31,700.79

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Solution

The fourth proportional to 57,194.01, 78,928.20 and 31,700.79 is: 43,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,194.01 : 78,928.20 = 31,700.79 : x
  2. Step 2: Convert to fraction form
    57,194.01/78,928.20 = 31,700.79/x
  3. Step 3: Cross multiply
    57,194.01x = 78,928.20 × 31,700.79
  4. Step 4: Simplify right side
    57,194.01x = 2,502,086,293.28
  5. Step 5: Solve for x
    x = 2,502,086,293.28/57,194.01
  6. Step 6: Final answer
    x = 43,747.35

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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.