Home / 36,530.72-54,783.12-13,150.88

Finding the Fourth Proportional to 36,530.72, 54,783.12 and 13,150.88

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Solution

The fourth proportional to 36,530.72, 54,783.12 and 13,150.88 is: 19,721.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,530.72 : 54,783.12 = 13,150.88 : x
  2. Step 2: Convert to fraction form
    36,530.72/54,783.12 = 13,150.88/x
  3. Step 3: Cross multiply
    36,530.72x = 54,783.12 × 13,150.88
  4. Step 4: Simplify right side
    36,530.72x = 720,446,237.15
  5. Step 5: Solve for x
    x = 720,446,237.15/36,530.72
  6. Step 6: Final answer
    x = 19,721.65

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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.