Home / 35,321.64-52,977.72-13,131.96

Finding the Fourth Proportional to 35,321.64, 52,977.72 and 13,131.96

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Solution

The fourth proportional to 35,321.64, 52,977.72 and 13,131.96 is: 19,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,321.64 : 52,977.72 = 13,131.96 : x
  2. Step 2: Convert to fraction form
    35,321.64/52,977.72 = 13,131.96/x
  3. Step 3: Cross multiply
    35,321.64x = 52,977.72 × 13,131.96
  4. Step 4: Simplify right side
    35,321.64x = 695,701,299.93
  5. Step 5: Solve for x
    x = 695,701,299.93/35,321.64
  6. Step 6: Final answer
    x = 19,696.18

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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.