Home / 38,558.40-57,842.36-18,822.04

Finding the Fourth Proportional to 38,558.40, 57,842.36 and 18,822.04

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Solution

The fourth proportional to 38,558.40, 57,842.36 and 18,822.04 is: 28,235.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,558.40 : 57,842.36 = 18,822.04 : x
  2. Step 2: Convert to fraction form
    38,558.40/57,842.36 = 18,822.04/x
  3. Step 3: Cross multiply
    38,558.40x = 57,842.36 × 18,822.04
  4. Step 4: Simplify right side
    38,558.40x = 1,088,711,213.61
  5. Step 5: Solve for x
    x = 1,088,711,213.61/38,558.40
  6. Step 6: Final answer
    x = 28,235.38

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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.