Home / 30,361.25-45,514.10-10,629.05

Finding the Fourth Proportional to 30,361.25, 45,514.10 and 10,629.05

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Solution

The fourth proportional to 30,361.25, 45,514.10 and 10,629.05 is: 15,933.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,361.25 : 45,514.10 = 10,629.05 : x
  2. Step 2: Convert to fraction form
    30,361.25/45,514.10 = 10,629.05/x
  3. Step 3: Cross multiply
    30,361.25x = 45,514.10 × 10,629.05
  4. Step 4: Simplify right side
    30,361.25x = 483,771,443.61
  5. Step 5: Solve for x
    x = 483,771,443.61/30,361.25
  6. Step 6: Final answer
    x = 15,933.84

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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.