Home / 55,405.14-83,107.68-13,852.14

Finding the Fourth Proportional to 55,405.14, 83,107.68 and 13,852.14

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Solution

The fourth proportional to 55,405.14, 83,107.68 and 13,852.14 is: 20,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,405.14 : 83,107.68 = 13,852.14 : x
  2. Step 2: Convert to fraction form
    55,405.14/83,107.68 = 13,852.14/x
  3. Step 3: Cross multiply
    55,405.14x = 83,107.68 × 13,852.14
  4. Step 4: Simplify right side
    55,405.14x = 1,151,219,218.44
  5. Step 5: Solve for x
    x = 1,151,219,218.44/55,405.14
  6. Step 6: Final answer
    x = 20,778.20

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1.5x scale

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.