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Finding the Fourth Proportional to 32,685.72, 48,983.22 and 17,072.16

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Solution

The fourth proportional to 32,685.72, 48,983.22 and 17,072.16 is: 25,584.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,685.72 : 48,983.22 = 17,072.16 : x
  2. Step 2: Convert to fraction form
    32,685.72/48,983.22 = 17,072.16/x
  3. Step 3: Cross multiply
    32,685.72x = 48,983.22 × 17,072.16
  4. Step 4: Simplify right side
    32,685.72x = 836,249,369.16
  5. Step 5: Solve for x
    x = 836,249,369.16/32,685.72
  6. Step 6: Final answer
    x = 25,584.55

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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.