Home / 39,480.20-59,229.59-12,826.10

Finding the Fourth Proportional to 39,480.20, 59,229.59 and 12,826.10

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Solution

The fourth proportional to 39,480.20, 59,229.59 and 12,826.10 is: 19,242.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,480.20 : 59,229.59 = 12,826.10 : x
  2. Step 2: Convert to fraction form
    39,480.20/59,229.59 = 12,826.10/x
  3. Step 3: Cross multiply
    39,480.20x = 59,229.59 × 12,826.10
  4. Step 4: Simplify right side
    39,480.20x = 759,684,644.30
  5. Step 5: Solve for x
    x = 759,684,644.30/39,480.20
  6. Step 6: Final answer
    x = 19,242.17

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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.