Home / 30,085.09-45,169.04-15,304

Finding the Fourth Proportional to 30,085.09, 45,169.04 and 15,304

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Solution

The fourth proportional to 30,085.09, 45,169.04 and 15,304 is: 22,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,085.09 : 45,169.04 = 15,304 : x
  2. Step 2: Convert to fraction form
    30,085.09/45,169.04 = 15,304/x
  3. Step 3: Cross multiply
    30,085.09x = 45,169.04 × 15,304
  4. Step 4: Simplify right side
    30,085.09x = 691,266,988.16
  5. Step 5: Solve for x
    x = 691,266,988.16/30,085.09
  6. Step 6: Final answer
    x = 22,977.06

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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.