Home / 35,535.88-53,245.50-12,149.56

Finding the Fourth Proportional to 35,535.88, 53,245.50 and 12,149.56

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Solution

The fourth proportional to 35,535.88, 53,245.50 and 12,149.56 is: 18,204.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,535.88 : 53,245.50 = 12,149.56 : x
  2. Step 2: Convert to fraction form
    35,535.88/53,245.50 = 12,149.56/x
  3. Step 3: Cross multiply
    35,535.88x = 53,245.50 × 12,149.56
  4. Step 4: Simplify right side
    35,535.88x = 646,909,396.98
  5. Step 5: Solve for x
    x = 646,909,396.98/35,535.88
  6. Step 6: Final answer
    x = 18,204.40

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1.5x scale

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.