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Finding the Fourth Proportional to 35,148.69, 52,723.03 and 8,855.48

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Solution

The fourth proportional to 35,148.69, 52,723.03 and 8,855.48 is: 13,283.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,148.69 : 52,723.03 = 8,855.48 : x
  2. Step 2: Convert to fraction form
    35,148.69/52,723.03 = 8,855.48/x
  3. Step 3: Cross multiply
    35,148.69x = 52,723.03 × 8,855.48
  4. Step 4: Simplify right side
    35,148.69x = 466,887,429.81
  5. Step 5: Solve for x
    x = 466,887,429.81/35,148.69
  6. Step 6: Final answer
    x = 13,283.21

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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.