Home / 55,588.68-83,332.80-20,519.73

Finding the Fourth Proportional to 55,588.68, 83,332.80 and 20,519.73

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Solution

The fourth proportional to 55,588.68, 83,332.80 and 20,519.73 is: 30,761.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,588.68 : 83,332.80 = 20,519.73 : x
  2. Step 2: Convert to fraction form
    55,588.68/83,332.80 = 20,519.73/x
  3. Step 3: Cross multiply
    55,588.68x = 83,332.80 × 20,519.73
  4. Step 4: Simplify right side
    55,588.68x = 1,709,966,556.14
  5. Step 5: Solve for x
    x = 1,709,966,556.14/55,588.68
  6. Step 6: Final answer
    x = 30,761.06

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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.