Home / 39,422.44-59,145.18-18,617.32

Finding the Fourth Proportional to 39,422.44, 59,145.18 and 18,617.32

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Solution

The fourth proportional to 39,422.44, 59,145.18 and 18,617.32 is: 27,931.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,422.44 : 59,145.18 = 18,617.32 : x
  2. Step 2: Convert to fraction form
    39,422.44/59,145.18 = 18,617.32/x
  3. Step 3: Cross multiply
    39,422.44x = 59,145.18 × 18,617.32
  4. Step 4: Simplify right side
    39,422.44x = 1,101,124,742.52
  5. Step 5: Solve for x
    x = 1,101,124,742.52/39,422.44
  6. Step 6: Final answer
    x = 27,931.42

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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.