Home / 51,291.57-70,769.90-30,066.73

Finding the Fourth Proportional to 51,291.57, 70,769.90 and 30,066.73

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Solution

The fourth proportional to 51,291.57, 70,769.90 and 30,066.73 is: 41,484.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,291.57 : 70,769.90 = 30,066.73 : x
  2. Step 2: Convert to fraction form
    51,291.57/70,769.90 = 30,066.73/x
  3. Step 3: Cross multiply
    51,291.57x = 70,769.90 × 30,066.73
  4. Step 4: Simplify right side
    51,291.57x = 2,127,819,481.96
  5. Step 5: Solve for x
    x = 2,127,819,481.96/51,291.57
  6. Step 6: Final answer
    x = 41,484.78

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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.