Home / 35,948.20-53,923.90-12,255.40

Finding the Fourth Proportional to 35,948.20, 53,923.90 and 12,255.40

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Solution

The fourth proportional to 35,948.20, 53,923.90 and 12,255.40 is: 18,383.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,948.20 : 53,923.90 = 12,255.40 : x
  2. Step 2: Convert to fraction form
    35,948.20/53,923.90 = 12,255.40/x
  3. Step 3: Cross multiply
    35,948.20x = 53,923.90 × 12,255.40
  4. Step 4: Simplify right side
    35,948.20x = 660,858,964.06
  5. Step 5: Solve for x
    x = 660,858,964.06/35,948.20
  6. Step 6: Final answer
    x = 18,383.65

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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.