Home / 38,939.96-58,428.36-20,210.04

Finding the Fourth Proportional to 38,939.96, 58,428.36 and 20,210.04

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Solution

The fourth proportional to 38,939.96, 58,428.36 and 20,210.04 is: 30,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,939.96 : 58,428.36 = 20,210.04 : x
  2. Step 2: Convert to fraction form
    38,939.96/58,428.36 = 20,210.04/x
  3. Step 3: Cross multiply
    38,939.96x = 58,428.36 × 20,210.04
  4. Step 4: Simplify right side
    38,939.96x = 1,180,839,492.73
  5. Step 5: Solve for x
    x = 1,180,839,492.73/38,939.96
  6. Step 6: Final answer
    x = 30,324.62

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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.