Home / 39,867.40-59,805.42-14,919.40

Finding the Fourth Proportional to 39,867.40, 59,805.42 and 14,919.40

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Solution

The fourth proportional to 39,867.40, 59,805.42 and 14,919.40 is: 22,380.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,867.40 : 59,805.42 = 14,919.40 : x
  2. Step 2: Convert to fraction form
    39,867.40/59,805.42 = 14,919.40/x
  3. Step 3: Cross multiply
    39,867.40x = 59,805.42 × 14,919.40
  4. Step 4: Simplify right side
    39,867.40x = 892,260,983.15
  5. Step 5: Solve for x
    x = 892,260,983.15/39,867.40
  6. Step 6: Final answer
    x = 22,380.72

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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.