Home / 30,111.14-45,169.04-9,049.53

Finding the Fourth Proportional to 30,111.14, 45,169.04 and 9,049.53

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Solution

The fourth proportional to 30,111.14, 45,169.04 and 9,049.53 is: 13,575.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,111.14 : 45,169.04 = 9,049.53 : x
  2. Step 2: Convert to fraction form
    30,111.14/45,169.04 = 9,049.53/x
  3. Step 3: Cross multiply
    30,111.14x = 45,169.04 × 9,049.53
  4. Step 4: Simplify right side
    30,111.14x = 408,758,537.30
  5. Step 5: Solve for x
    x = 408,758,537.30/30,111.14
  6. Step 6: Final answer
    x = 13,575.00

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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.