Home / 36,560.63-54,840.97-13,187.07

Finding the Fourth Proportional to 36,560.63, 54,840.97 and 13,187.07

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Solution

The fourth proportional to 36,560.63, 54,840.97 and 13,187.07 is: 19,780.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,560.63 : 54,840.97 = 13,187.07 : x
  2. Step 2: Convert to fraction form
    36,560.63/54,840.97 = 13,187.07/x
  3. Step 3: Cross multiply
    36,560.63x = 54,840.97 × 13,187.07
  4. Step 4: Simplify right side
    36,560.63x = 723,191,652.56
  5. Step 5: Solve for x
    x = 723,191,652.56/36,560.63
  6. Step 6: Final answer
    x = 19,780.61

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Double scale
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Similar ratio
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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.