Home / 35,977.20-53,926.20-12,591.60

Finding the Fourth Proportional to 35,977.20, 53,926.20 and 12,591.60

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Solution

The fourth proportional to 35,977.20, 53,926.20 and 12,591.60 is: 18,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,977.20 : 53,926.20 = 12,591.60 : x
  2. Step 2: Convert to fraction form
    35,977.20/53,926.20 = 12,591.60/x
  3. Step 3: Cross multiply
    35,977.20x = 53,926.20 × 12,591.60
  4. Step 4: Simplify right side
    35,977.20x = 679,017,139.92
  5. Step 5: Solve for x
    x = 679,017,139.92/35,977.20
  6. Step 6: Final answer
    x = 18,873.54

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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.