Home / 34,218.68-47,223.11-19,682.82

Finding the Fourth Proportional to 34,218.68, 47,223.11 and 19,682.82

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Solution

The fourth proportional to 34,218.68, 47,223.11 and 19,682.82 is: 27,163.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,218.68 : 47,223.11 = 19,682.82 : x
  2. Step 2: Convert to fraction form
    34,218.68/47,223.11 = 19,682.82/x
  3. Step 3: Cross multiply
    34,218.68x = 47,223.11 × 19,682.82
  4. Step 4: Simplify right side
    34,218.68x = 929,483,875.56
  5. Step 5: Solve for x
    x = 929,483,875.56/34,218.68
  6. Step 6: Final answer
    x = 27,163.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.