Home / 56,859.14-85,286.28-19,422.56

Finding the Fourth Proportional to 56,859.14, 85,286.28 and 19,422.56

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Solution

The fourth proportional to 56,859.14, 85,286.28 and 19,422.56 is: 29,133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,859.14 : 85,286.28 = 19,422.56 : x
  2. Step 2: Convert to fraction form
    56,859.14/85,286.28 = 19,422.56/x
  3. Step 3: Cross multiply
    56,859.14x = 85,286.28 × 19,422.56
  4. Step 4: Simplify right side
    56,859.14x = 1,656,477,890.48
  5. Step 5: Solve for x
    x = 1,656,477,890.48/56,859.14
  6. Step 6: Final answer
    x = 29,133.01

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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.