Home / 30,108.84-45,169.53-9,048.03

Finding the Fourth Proportional to 30,108.84, 45,169.53 and 9,048.03

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Solution

The fourth proportional to 30,108.84, 45,169.53 and 9,048.03 is: 13,573.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.84 : 45,169.53 = 9,048.03 : x
  2. Step 2: Convert to fraction form
    30,108.84/45,169.53 = 9,048.03/x
  3. Step 3: Cross multiply
    30,108.84x = 45,169.53 × 9,048.03
  4. Step 4: Simplify right side
    30,108.84x = 408,695,262.53
  5. Step 5: Solve for x
    x = 408,695,262.53/30,108.84
  6. Step 6: Final answer
    x = 13,573.93

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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.