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Finding the Fourth Proportional to 35,398.62, 53,091.64 and 10,099.88

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Solution

The fourth proportional to 35,398.62, 53,091.64 and 10,099.88 is: 15,148.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,398.62 : 53,091.64 = 10,099.88 : x
  2. Step 2: Convert to fraction form
    35,398.62/53,091.64 = 10,099.88/x
  3. Step 3: Cross multiply
    35,398.62x = 53,091.64 × 10,099.88
  4. Step 4: Simplify right side
    35,398.62x = 536,219,193.00
  5. Step 5: Solve for x
    x = 536,219,193.00/35,398.62
  6. Step 6: Final answer
    x = 15,148.03

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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.