Home / 36,240.60-54,360.90-9,945.30

Finding the Fourth Proportional to 36,240.60, 54,360.90 and 9,945.30

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Solution

The fourth proportional to 36,240.60, 54,360.90 and 9,945.30 is: 14,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,240.60 : 54,360.90 = 9,945.30 : x
  2. Step 2: Convert to fraction form
    36,240.60/54,360.90 = 9,945.30/x
  3. Step 3: Cross multiply
    36,240.60x = 54,360.90 × 9,945.30
  4. Step 4: Simplify right side
    36,240.60x = 540,635,458.77
  5. Step 5: Solve for x
    x = 540,635,458.77/36,240.60
  6. Step 6: Final answer
    x = 14,917.95

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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.