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Finding the Fourth Proportional to 57,683.70, 79,609.08 and 35,017.44

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Solution

The fourth proportional to 57,683.70, 79,609.08 and 35,017.44 is: 48,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,683.70 : 79,609.08 = 35,017.44 : x
  2. Step 2: Convert to fraction form
    57,683.70/79,609.08 = 35,017.44/x
  3. Step 3: Cross multiply
    57,683.70x = 79,609.08 × 35,017.44
  4. Step 4: Simplify right side
    57,683.70x = 2,787,706,182.36
  5. Step 5: Solve for x
    x = 2,787,706,182.36/57,683.70
  6. Step 6: Final answer
    x = 48,327.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.