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Finding the Fourth Proportional to 52,649.92, 72,609.84 and 43,683.22

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Solution

The fourth proportional to 52,649.92, 72,609.84 and 43,683.22 is: 60,243.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,649.92 : 72,609.84 = 43,683.22 : x
  2. Step 2: Convert to fraction form
    52,649.92/72,609.84 = 43,683.22/x
  3. Step 3: Cross multiply
    52,649.92x = 72,609.84 × 43,683.22
  4. Step 4: Simplify right side
    52,649.92x = 3,171,831,614.88
  5. Step 5: Solve for x
    x = 3,171,831,614.88/52,649.92
  6. Step 6: Final answer
    x = 60,243.81

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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.