Home / 36,072.91-54,109.36-9,777.65

Finding the Fourth Proportional to 36,072.91, 54,109.36 and 9,777.65

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Solution

The fourth proportional to 36,072.91, 54,109.36 and 9,777.65 is: 14,666.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,072.91 : 54,109.36 = 9,777.65 : x
  2. Step 2: Convert to fraction form
    36,072.91/54,109.36 = 9,777.65/x
  3. Step 3: Cross multiply
    36,072.91x = 54,109.36 × 9,777.65
  4. Step 4: Simplify right side
    36,072.91x = 529,062,494.63
  5. Step 5: Solve for x
    x = 529,062,494.63/36,072.91
  6. Step 6: Final answer
    x = 14,666.48

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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.