Home / 69,861.45-96,408.82-38,030.34

Finding the Fourth Proportional to 69,861.45, 96,408.82 and 38,030.34

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Solution

The fourth proportional to 69,861.45, 96,408.82 and 38,030.34 is: 52,481.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,861.45 : 96,408.82 = 38,030.34 : x
  2. Step 2: Convert to fraction form
    69,861.45/96,408.82 = 38,030.34/x
  3. Step 3: Cross multiply
    69,861.45x = 96,408.82 × 38,030.34
  4. Step 4: Simplify right side
    69,861.45x = 3,666,460,398.75
  5. Step 5: Solve for x
    x = 3,666,460,398.75/69,861.45
  6. Step 6: Final answer
    x = 52,481.88

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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.