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Finding the Fourth Proportional to 30,112.08, 45,165.96 and 9,335.04

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Solution

The fourth proportional to 30,112.08, 45,165.96 and 9,335.04 is: 14,001.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,112.08 : 45,165.96 = 9,335.04 : x
  2. Step 2: Convert to fraction form
    30,112.08/45,165.96 = 9,335.04/x
  3. Step 3: Cross multiply
    30,112.08x = 45,165.96 × 9,335.04
  4. Step 4: Simplify right side
    30,112.08x = 421,626,043.24
  5. Step 5: Solve for x
    x = 421,626,043.24/30,112.08
  6. Step 6: Final answer
    x = 14,001.89

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.