Home / 30,234.48-45,372.36-10,512.84

Finding the Fourth Proportional to 30,234.48, 45,372.36 and 10,512.84

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Solution

The fourth proportional to 30,234.48, 45,372.36 and 10,512.84 is: 15,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.48 : 45,372.36 = 10,512.84 : x
  2. Step 2: Convert to fraction form
    30,234.48/45,372.36 = 10,512.84/x
  3. Step 3: Cross multiply
    30,234.48x = 45,372.36 × 10,512.84
  4. Step 4: Simplify right side
    30,234.48x = 476,992,361.10
  5. Step 5: Solve for x
    x = 476,992,361.10/30,234.48
  6. Step 6: Final answer
    x = 15,776.44

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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.