Home / 30,477.06-45,714.44-10,755.18

Finding the Fourth Proportional to 30,477.06, 45,714.44 and 10,755.18

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Solution

The fourth proportional to 30,477.06, 45,714.44 and 10,755.18 is: 16,132.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,477.06 : 45,714.44 = 10,755.18 : x
  2. Step 2: Convert to fraction form
    30,477.06/45,714.44 = 10,755.18/x
  3. Step 3: Cross multiply
    30,477.06x = 45,714.44 × 10,755.18
  4. Step 4: Simplify right side
    30,477.06x = 491,667,057.69
  5. Step 5: Solve for x
    x = 491,667,057.69/30,477.06
  6. Step 6: Final answer
    x = 16,132.37

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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.