Home / 43,579.85-65,373.66-16,925.20

Finding the Fourth Proportional to 43,579.85, 65,373.66 and 16,925.20

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Solution

The fourth proportional to 43,579.85, 65,373.66 and 16,925.20 is: 25,389.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,579.85 : 65,373.66 = 16,925.20 : x
  2. Step 2: Convert to fraction form
    43,579.85/65,373.66 = 16,925.20/x
  3. Step 3: Cross multiply
    43,579.85x = 65,373.66 × 16,925.20
  4. Step 4: Simplify right side
    43,579.85x = 1,106,462,106.80
  5. Step 5: Solve for x
    x = 1,106,462,106.80/43,579.85
  6. Step 6: Final answer
    x = 25,389.31

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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.