Home / 36,315.48-54,459.12-14,125.92

Finding the Fourth Proportional to 36,315.48, 54,459.12 and 14,125.92

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Solution

The fourth proportional to 36,315.48, 54,459.12 and 14,125.92 is: 21,183.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,315.48 : 54,459.12 = 14,125.92 : x
  2. Step 2: Convert to fraction form
    36,315.48/54,459.12 = 14,125.92/x
  3. Step 3: Cross multiply
    36,315.48x = 54,459.12 × 14,125.92
  4. Step 4: Simplify right side
    36,315.48x = 769,285,172.39
  5. Step 5: Solve for x
    x = 769,285,172.39/36,315.48
  6. Step 6: Final answer
    x = 21,183.40

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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.