Home / 52,766.28-72,821.29-30,105.77

Finding the Fourth Proportional to 52,766.28, 72,821.29 and 30,105.77

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Solution

The fourth proportional to 52,766.28, 72,821.29 and 30,105.77 is: 41,548.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,766.28 : 72,821.29 = 30,105.77 : x
  2. Step 2: Convert to fraction form
    52,766.28/72,821.29 = 30,105.77/x
  3. Step 3: Cross multiply
    52,766.28x = 72,821.29 × 30,105.77
  4. Step 4: Simplify right side
    52,766.28x = 2,192,341,007.84
  5. Step 5: Solve for x
    x = 2,192,341,007.84/52,766.28
  6. Step 6: Final answer
    x = 41,548.14

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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.