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Finding the Fourth Proportional to 57,473.19, 86,209.71 and 18,033.39

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Solution

The fourth proportional to 57,473.19, 86,209.71 and 18,033.39 is: 27,050.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,473.19 : 86,209.71 = 18,033.39 : x
  2. Step 2: Convert to fraction form
    57,473.19/86,209.71 = 18,033.39/x
  3. Step 3: Cross multiply
    57,473.19x = 86,209.71 × 18,033.39
  4. Step 4: Simplify right side
    57,473.19x = 1,554,653,322.22
  5. Step 5: Solve for x
    x = 1,554,653,322.22/57,473.19
  6. Step 6: Final answer
    x = 27,050.06

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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.