Home / 36,279.72-54,405.57-14,090.10

Finding the Fourth Proportional to 36,279.72, 54,405.57 and 14,090.10

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Solution

The fourth proportional to 36,279.72, 54,405.57 and 14,090.10 is: 21,129.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,279.72 : 54,405.57 = 14,090.10 : x
  2. Step 2: Convert to fraction form
    36,279.72/54,405.57 = 14,090.10/x
  3. Step 3: Cross multiply
    36,279.72x = 54,405.57 × 14,090.10
  4. Step 4: Simplify right side
    36,279.72x = 766,579,579.38
  5. Step 5: Solve for x
    x = 766,579,579.38/36,279.72
  6. Step 6: Final answer
    x = 21,129.70

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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.