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Finding the Fourth Proportional to 56,623.68, 84,935.52 and 17,181

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Solution

The fourth proportional to 56,623.68, 84,935.52 and 17,181 is: 25,771.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,623.68 : 84,935.52 = 17,181 : x
  2. Step 2: Convert to fraction form
    56,623.68/84,935.52 = 17,181/x
  3. Step 3: Cross multiply
    56,623.68x = 84,935.52 × 17,181
  4. Step 4: Simplify right side
    56,623.68x = 1,459,277,169.12
  5. Step 5: Solve for x
    x = 1,459,277,169.12/56,623.68
  6. Step 6: Final answer
    x = 25,771.50

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1.5x scale

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.