Home / 47,028.90-70,535.13-18,558.27

Finding the Fourth Proportional to 47,028.90, 70,535.13 and 18,558.27

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Solution

The fourth proportional to 47,028.90, 70,535.13 and 18,558.27 is: 27,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,028.90 : 70,535.13 = 18,558.27 : x
  2. Step 2: Convert to fraction form
    47,028.90/70,535.13 = 18,558.27/x
  3. Step 3: Cross multiply
    47,028.90x = 70,535.13 × 18,558.27
  4. Step 4: Simplify right side
    47,028.90x = 1,309,009,987.03
  5. Step 5: Solve for x
    x = 1,309,009,987.03/47,028.90
  6. Step 6: Final answer
    x = 27,834.16

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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.