Home / 52,753.45-72,808.21-30,099.81

Finding the Fourth Proportional to 52,753.45, 72,808.21 and 30,099.81

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Solution

The fourth proportional to 52,753.45, 72,808.21 and 30,099.81 is: 41,542.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,753.45 : 72,808.21 = 30,099.81 : x
  2. Step 2: Convert to fraction form
    52,753.45/72,808.21 = 30,099.81/x
  3. Step 3: Cross multiply
    52,753.45x = 72,808.21 × 30,099.81
  4. Step 4: Simplify right side
    52,753.45x = 2,191,513,287.44
  5. Step 5: Solve for x
    x = 2,191,513,287.44/52,753.45
  6. Step 6: Final answer
    x = 41,542.56

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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.