Home / 38,855.82-58,282.35-12,559.88

Finding the Fourth Proportional to 38,855.82, 58,282.35 and 12,559.88

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Solution

The fourth proportional to 38,855.82, 58,282.35 and 12,559.88 is: 18,839.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,855.82 : 58,282.35 = 12,559.88 : x
  2. Step 2: Convert to fraction form
    38,855.82/58,282.35 = 12,559.88/x
  3. Step 3: Cross multiply
    38,855.82x = 58,282.35 × 12,559.88
  4. Step 4: Simplify right side
    38,855.82x = 732,019,030.71
  5. Step 5: Solve for x
    x = 732,019,030.71/38,855.82
  6. Step 6: Final answer
    x = 18,839.37

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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.