Home / 30,189.80-45,297.52-16,146.19

Finding the Fourth Proportional to 30,189.80, 45,297.52 and 16,146.19

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Solution

The fourth proportional to 30,189.80, 45,297.52 and 16,146.19 is: 24,226.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,189.80 : 45,297.52 = 16,146.19 : x
  2. Step 2: Convert to fraction form
    30,189.80/45,297.52 = 16,146.19/x
  3. Step 3: Cross multiply
    30,189.80x = 45,297.52 × 16,146.19
  4. Step 4: Simplify right side
    30,189.80x = 731,382,210.84
  5. Step 5: Solve for x
    x = 731,382,210.84/30,189.80
  6. Step 6: Final answer
    x = 24,226.13

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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.