Home / 38,998.80-58,497.30-12,703.35

Finding the Fourth Proportional to 38,998.80, 58,497.30 and 12,703.35

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Solution

The fourth proportional to 38,998.80, 58,497.30 and 12,703.35 is: 19,054.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.80 : 58,497.30 = 12,703.35 : x
  2. Step 2: Convert to fraction form
    38,998.80/58,497.30 = 12,703.35/x
  3. Step 3: Cross multiply
    38,998.80x = 58,497.30 × 12,703.35
  4. Step 4: Simplify right side
    38,998.80x = 743,111,675.96
  5. Step 5: Solve for x
    x = 743,111,675.96/38,998.80
  6. Step 6: Final answer
    x = 19,054.73

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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.