Home / 36,403.79-54,618.81-12,714.81

Finding the Fourth Proportional to 36,403.79, 54,618.81 and 12,714.81

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Solution

The fourth proportional to 36,403.79, 54,618.81 and 12,714.81 is: 19,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403.79 : 54,618.81 = 12,714.81 : x
  2. Step 2: Convert to fraction form
    36,403.79/54,618.81 = 12,714.81/x
  3. Step 3: Cross multiply
    36,403.79x = 54,618.81 × 12,714.81
  4. Step 4: Simplify right side
    36,403.79x = 694,467,791.58
  5. Step 5: Solve for x
    x = 694,467,791.58/36,403.79
  6. Step 6: Final answer
    x = 19,076.80

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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.