Home / 38,821.86-58,191.28-20,083.04

Finding the Fourth Proportional to 38,821.86, 58,191.28 and 20,083.04

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Solution

The fourth proportional to 38,821.86, 58,191.28 and 20,083.04 is: 30,103.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,821.86 : 58,191.28 = 20,083.04 : x
  2. Step 2: Convert to fraction form
    38,821.86/58,191.28 = 20,083.04/x
  3. Step 3: Cross multiply
    38,821.86x = 58,191.28 × 20,083.04
  4. Step 4: Simplify right side
    38,821.86x = 1,168,657,803.89
  5. Step 5: Solve for x
    x = 1,168,657,803.89/38,821.86
  6. Step 6: Final answer
    x = 30,103.09

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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.