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Finding the Fourth Proportional to 30,305.53, 45,479.04 and 10,584.10

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Solution

The fourth proportional to 30,305.53, 45,479.04 and 10,584.10 is: 15,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,305.53 : 45,479.04 = 10,584.10 : x
  2. Step 2: Convert to fraction form
    30,305.53/45,479.04 = 10,584.10/x
  3. Step 3: Cross multiply
    30,305.53x = 45,479.04 × 10,584.10
  4. Step 4: Simplify right side
    30,305.53x = 481,354,707.26
  5. Step 5: Solve for x
    x = 481,354,707.26/30,305.53
  6. Step 6: Final answer
    x = 15,883.40

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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.