Home / 36,356.96-54,549.12-18,815.84

Finding the Fourth Proportional to 36,356.96, 54,549.12 and 18,815.84

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Solution

The fourth proportional to 36,356.96, 54,549.12 and 18,815.84 is: 28,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,356.96 : 54,549.12 = 18,815.84 : x
  2. Step 2: Convert to fraction form
    36,356.96/54,549.12 = 18,815.84/x
  3. Step 3: Cross multiply
    36,356.96x = 54,549.12 × 18,815.84
  4. Step 4: Simplify right side
    36,356.96x = 1,026,387,514.06
  5. Step 5: Solve for x
    x = 1,026,387,514.06/36,356.96
  6. Step 6: Final answer
    x = 28,230.84

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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.