Home / 64,549.20-89,072.91-36,249.42

Finding the Fourth Proportional to 64,549.20, 89,072.91 and 36,249.42

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Solution

The fourth proportional to 64,549.20, 89,072.91 and 36,249.42 is: 50,021.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,549.20 : 89,072.91 = 36,249.42 : x
  2. Step 2: Convert to fraction form
    64,549.20/89,072.91 = 36,249.42/x
  3. Step 3: Cross multiply
    64,549.20x = 89,072.91 × 36,249.42
  4. Step 4: Simplify right side
    64,549.20x = 3,228,841,325.21
  5. Step 5: Solve for x
    x = 3,228,841,325.21/64,549.20
  6. Step 6: Final answer
    x = 50,021.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.