Home / 35,311.96-52,977.14-13,131.76

Finding the Fourth Proportional to 35,311.96, 52,977.14 and 13,131.76

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Solution

The fourth proportional to 35,311.96, 52,977.14 and 13,131.76 is: 19,701.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,311.96 : 52,977.14 = 13,131.76 : x
  2. Step 2: Convert to fraction form
    35,311.96/52,977.14 = 13,131.76/x
  3. Step 3: Cross multiply
    35,311.96x = 52,977.14 × 13,131.76
  4. Step 4: Simplify right side
    35,311.96x = 695,683,087.97
  5. Step 5: Solve for x
    x = 695,683,087.97/35,311.96
  6. Step 6: Final answer
    x = 19,701.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.