Home / 38,932.96-58,398.62-12,637.66

Finding the Fourth Proportional to 38,932.96, 58,398.62 and 12,637.66

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Solution

The fourth proportional to 38,932.96, 58,398.62 and 12,637.66 is: 18,956.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,932.96 : 58,398.62 = 12,637.66 : x
  2. Step 2: Convert to fraction form
    38,932.96/58,398.62 = 12,637.66/x
  3. Step 3: Cross multiply
    38,932.96x = 58,398.62 × 12,637.66
  4. Step 4: Simplify right side
    38,932.96x = 738,021,904.03
  5. Step 5: Solve for x
    x = 738,021,904.03/38,932.96
  6. Step 6: Final answer
    x = 18,956.22

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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.