Home / 70,620.23-97,456.56-38,789.84

Finding the Fourth Proportional to 70,620.23, 97,456.56 and 38,789.84

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Solution

The fourth proportional to 70,620.23, 97,456.56 and 38,789.84 is: 53,530.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,620.23 : 97,456.56 = 38,789.84 : x
  2. Step 2: Convert to fraction form
    70,620.23/97,456.56 = 38,789.84/x
  3. Step 3: Cross multiply
    70,620.23x = 97,456.56 × 38,789.84
  4. Step 4: Simplify right side
    70,620.23x = 3,780,324,369.35
  5. Step 5: Solve for x
    x = 3,780,324,369.35/70,620.23
  6. Step 6: Final answer
    x = 53,530.33

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1.5x scale

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.