Home / 38,943.96-58,434.36-20,214.04

Finding the Fourth Proportional to 38,943.96, 58,434.36 and 20,214.04

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Solution

The fourth proportional to 38,943.96, 58,434.36 and 20,214.04 is: 30,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,943.96 : 58,434.36 = 20,214.04 : x
  2. Step 2: Convert to fraction form
    38,943.96/58,434.36 = 20,214.04/x
  3. Step 3: Cross multiply
    38,943.96x = 58,434.36 × 20,214.04
  4. Step 4: Simplify right side
    38,943.96x = 1,181,194,490.41
  5. Step 5: Solve for x
    x = 1,181,194,490.41/38,943.96
  6. Step 6: Final answer
    x = 30,330.62

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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.