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Finding the Fourth Proportional to 35,373.47, 53,062.02 and 9,078.44

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Solution

The fourth proportional to 35,373.47, 53,062.02 and 9,078.44 is: 13,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,373.47 : 53,062.02 = 9,078.44 : x
  2. Step 2: Convert to fraction form
    35,373.47/53,062.02 = 9,078.44/x
  3. Step 3: Cross multiply
    35,373.47x = 53,062.02 × 9,078.44
  4. Step 4: Simplify right side
    35,373.47x = 481,720,099.54
  5. Step 5: Solve for x
    x = 481,720,099.54/35,373.47
  6. Step 6: Final answer
    x = 13,618.12

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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.