Home / 38,956.12-58,436.12-18,983.96

Finding the Fourth Proportional to 38,956.12, 58,436.12 and 18,983.96

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Solution

The fourth proportional to 38,956.12, 58,436.12 and 18,983.96 is: 28,476.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,956.12 : 58,436.12 = 18,983.96 : x
  2. Step 2: Convert to fraction form
    38,956.12/58,436.12 = 18,983.96/x
  3. Step 3: Cross multiply
    38,956.12x = 58,436.12 × 18,983.96
  4. Step 4: Simplify right side
    38,956.12x = 1,109,348,964.64
  5. Step 5: Solve for x
    x = 1,109,348,964.64/38,956.12
  6. Step 6: Final answer
    x = 28,476.89

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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.