Home / 70,982.20-97,958.33-39,153.12

Finding the Fourth Proportional to 70,982.20, 97,958.33 and 39,153.12

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Solution

The fourth proportional to 70,982.20, 97,958.33 and 39,153.12 is: 54,032.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,982.20 : 97,958.33 = 39,153.12 : x
  2. Step 2: Convert to fraction form
    70,982.20/97,958.33 = 39,153.12/x
  3. Step 3: Cross multiply
    70,982.20x = 97,958.33 × 39,153.12
  4. Step 4: Simplify right side
    70,982.20x = 3,835,374,249.49
  5. Step 5: Solve for x
    x = 3,835,374,249.49/70,982.20
  6. Step 6: Final answer
    x = 54,032.90

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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.